79 datasets found
  1. NCR DC ANCs and NPS in DC by Admin Unit Web Map

    • nps.hub.arcgis.com
    Updated Jan 15, 2025
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    National Park Service (2025). NCR DC ANCs and NPS in DC by Admin Unit Web Map [Dataset]. https://nps.hub.arcgis.com/maps/6a033869172e43ab8374b3aea21ab636
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    Dataset updated
    Jan 15, 2025
    Dataset authored and provided by
    National Park Servicehttp://www.nps.gov/
    Area covered
    Description

    This map displays the National Park Service (NPS) jurisdictional boundaries in the District of Columbia (DC) overlaid with DC's Advisory Neighborhood Commission (ANC) and Single Member District (SMD) boundaries. It's intended purpose is to help people determine what ANC and/or SMD a particular park area is associated with.This web app uses the following DC datasets:Advisory Neighborhood Commissions from 2023 | Open Data DCSingle Member District from 2023 | Open Data DCMore information is available on the DC GIS website or the DC OpenData website.The NPS Land and Jurisdictional data layers represent the land under the jurisdiction of the NPS including which NPS administrative unit manages it. This boundary is equivalent to the type of boundary that is displayed on park brochure maps.These polygons do NOT represent the legal the boundary. For issues regarding land ownership and official boundaries, contact the National Capital Region Land Resources Program Center using the contact form.The National Capital Region NPS jurisdictional boundaries data is available on the National Capital Region NPS OpenData site, along with other NCR-specific NPS datasets. Visit the National Park Service OpenData site for more NPS data or the Integrated Resource Management Application (IRMA) Portal for NPS data, documents, and more.This web map is used in the NPS Land in DC and Advisory Neighborhood Commissions InstantApp (Item Details - NCR DC ANCs and NPS in DC Web App).

  2. George Washington style for ArcGIS Pro

    • cacgeoportal.com
    • hub.arcgis.com
    Updated May 30, 2018
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    Esri Styles (2018). George Washington style for ArcGIS Pro [Dataset]. https://www.cacgeoportal.com/content/191ef05f8bd844c68eee365ada32561b
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    Dataset updated
    May 30, 2018
    Dataset provided by
    Esrihttp://esri.com/
    Authors
    Esri Styles
    Description

    Did you know that George Washington was a cartographer? He was a surveyor and map maker in his early years, and continued to make his own maps for practical purposes throughout his life. Cool, right?George's StyleHere is a map he made of his farm, just dripping with hand-wrought charm:The ArcGIS Pro style available here is compiled of material textures and George's hand-drawn elements sampled from this very map. That means, when you use it, your map is wrought in the very hand of George Washington. What a time to be alive.Check out these examples that Ernst Eijkelenboom whipped up of his native Netherlands...Glorious.What You GetAre you ready to cartographicize like the first president of the United States? Here's what you'll find in the style...How to Install?Save this style file somewhere on your computer. Then, in Pro, open up the Catalog view, and expand the Style category. Right-click, and choose “Add.” Then just browse to where you saved George Washington. Pow! You’ll be whipping up maps that look like they were scribed by the right hand (I surmise, based on the way his trees lean) of George, himself.If you would like to make your own styles, based on the texture images I extracted from George’s map, then you can have at them here.Happy Presidential Throwback Mapping! John Nelson

  3. m

    US Senators

    • maconinsights.com
    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    • +3more
    Updated Mar 5, 2018
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    Macon-Bibb County Government (2018). US Senators [Dataset]. https://www.maconinsights.com/datasets/us-senators-1/api
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    Dataset updated
    Mar 5, 2018
    Dataset authored and provided by
    Macon-Bibb County Government
    Area covered
    Description

    Us Senators serving Macon-Bibb County.The two Senators that serve the State of Georgia are Johnny Isakson and David Perdue.The United States Senate is the upper chamber of the United States Congress, which along with the United States House of Representatives—the lower chamber—comprise the legislature of the United States.The composition and powers of the Senate are established by Article One of the United States Constitution. The Senate is composed of senators, each of whom represents a single state in its entirety, with each state being equally represented by two senators, regardless of its population, serving staggered terms of six years; with fifty states presently in the Union, there are 100 U.S. Senators. From 1789 until 1913, Senators were appointed by legislatures of the states they represented; following the ratification of the Seventeenth Amendment in 1913, they are now popularly elected. The Senate chamber is located in the north wing of the Capitol, in Washington, D.C.As the upper house, the Senate has several powers of advice and consent which are unique to it; these include the ratification of treaties and the confirmation of Cabinet secretaries, Supreme Court justices, federal judges, other federal executive officials, flag officers, regulatory officials, ambassadors, and other federal uniformed officers. In addition to these, in cases wherein no candidate receives a majority of electors for Vice President, the duty befalls upon the Senate to elect one of the top two recipients of electors for that office. It further has the responsibility of conducting trials of those impeached by the House. The Senate is widely considered both a more deliberative and more prestigious body than the House of Representatives due to its longer terms, smaller size, and statewide constituencies, which historically led to a more collegial and less partisan atmosphere.The presiding officer of the Senate is the Vice President of the United States, who is President of the Senate. In the Vice President's absence, the President Pro Tempore, who is customarily the senior member of the party holding a majority of seats, presides over the Senate. In the early 20th century, the practice of majority and minority parties electing their floor leaders began, although they are not constitutional officers.

  4. V

    2020 Nov 3 Loudoun County Election Results

    • data.virginia.gov
    • datasets.ai
    • +3more
    Updated Apr 12, 2023
    + more versions
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    Loudoun County (2023). 2020 Nov 3 Loudoun County Election Results [Dataset]. https://data.virginia.gov/dataset/2020-nov-3-loudoun-county-election-results
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    arcgis geoservices rest api, htmlAvailable download formats
    Dataset updated
    Apr 12, 2023
    Dataset provided by
    Loudoun County GIS
    Authors
    Loudoun County
    Area covered
    Loudoun County
    Description

    Loudoun County, Virginia General Election Results - Nov. 3, 2020

  5. a

    Consolidated Precincts 2008/02 PRESIDENTIAL PRIMARY

    • data-sacog.opendata.arcgis.com
    • data.saccounty.gov
    • +1more
    Updated Apr 5, 2018
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    Sacramento County GIS (2018). Consolidated Precincts 2008/02 PRESIDENTIAL PRIMARY [Dataset]. https://data-sacog.opendata.arcgis.com/datasets/255dd4348bd045cea5c7c4ea949a5b4a
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    Dataset updated
    Apr 5, 2018
    Dataset authored and provided by
    Sacramento County GIS
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    sde_gis.GISUSER.CONSOLIDATED_PRECINCTS_2008_02_PRESPRIMARY_sqlvw

  6. Disaster Declaration Presidential Public Assistance and State Individual...

    • data.iowadot.gov
    • hub.arcgis.com
    • +1more
    Updated Mar 25, 2019
    + more versions
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    Iowa Department of Transportation (2019). Disaster Declaration Presidential Public Assistance and State Individual Assistance [Dataset]. https://data.iowadot.gov/items/8463d8d472814354a66eb836d329d3fa
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    Dataset updated
    Mar 25, 2019
    Dataset authored and provided by
    Iowa Department of Transportationhttps://iowadot.gov/
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    Service is for the Iowa Disaster Declaration Application. To view all counties and declarations, use this service.

  7. d

    Dunn bio for DE GIS Conference

    • degis.org
    Updated Oct 4, 2023
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    University of Delaware (2023). Dunn bio for DE GIS Conference [Dataset]. https://www.degis.org/documents/d6d14f0f5ee4489d841bc325a3e43ef2
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    Dataset updated
    Oct 4, 2023
    Dataset authored and provided by
    University of Delaware
    Description

    Mr. Dunn's Biography, President and CEO of the Chesapeake Conservancy. Plenary speaker for the Delmarva GIS 25th Anniversary Conference.

  8. a

    Consolidated Precincts - June 7, 2016 Presidential Primary Election

    • data.acgov.org
    • opendata-acgov.hub.arcgis.com
    • +1more
    Updated Oct 28, 2021
    + more versions
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    AlamedaCounty.CA.US (2021). Consolidated Precincts - June 7, 2016 Presidential Primary Election [Dataset]. https://data.acgov.org/datasets/b0ce6a21a7094f55ad30a88f7aecb42c
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    Dataset updated
    Oct 28, 2021
    Dataset provided by
    AlamedaCounty.CA.US
    Area covered
    Description

    Consolidated Precincts for the June 7, 2016 General Election. For use with the historical election results map. Keep.

  9. M

    Minnesota General Election Results, 2012-2020

    • gisdata.mn.gov
    • data.wu.ac.at
    fgdb, gpkg, html +2
    Updated Jan 29, 2021
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    Secretary of State (2021). Minnesota General Election Results, 2012-2020 [Dataset]. https://gisdata.mn.gov/dataset/bdry-electionresults-2012-2020
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    gpkg, html, fgdb, jpeg, shpAvailable download formats
    Dataset updated
    Jan 29, 2021
    Dataset provided by
    Secretary of State
    Area covered
    Minnesota
    Description

    This file contains election results from Minnesota state general elections that took place following the 2012 redistricting. The results are at the voting precinct level, and include all federal races, all state races (except judicial races), and constitutional amendments. For US President, US Senator, and Minnesota constitutional office races, results are provided for all filed candidates. For other races, results are provided for all major party candidates. Voting precinct boundaries are specific to each election.

  10. l

    FEMA Community Disaster Resilience Zones

    • visionzero.geohub.lacity.org
    • anrgeodata.vermont.gov
    Updated Dec 16, 2023
    + more versions
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    USACE Kansas City District Geospatial Portal (2023). FEMA Community Disaster Resilience Zones [Dataset]. https://visionzero.geohub.lacity.org/datasets/4fc720edaaa049f396b81f01531a99f4
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    Dataset updated
    Dec 16, 2023
    Dataset authored and provided by
    USACE Kansas City District Geospatial Portal
    License

    MIT Licensehttps://opensource.org/licenses/MIT
    License information was derived automatically

    Area covered
    Description

    Visit the FEMA Community Disaster Resilinece Zones Homepage for more information and the Application to see the Zones.To download GIS data, users must be logged into any ArcGIS Online or Enterprise account. For users who require tabular data (.csv format only) or do not have an ArcGIS Online or Enterprise account, click here to download.A law signed by President Biden on Dec. 20, 2022— the Community Disaster Resilience Zones Act—will build disaster resilience across the nation by creating and designating resilience zones which identifies disadvantaged communities most at-risk to natural hazards.This new law amends the Robert T. Stafford Disaster Relief and Emergency Assistance Act and applies FEMA’s National Risk Index to identify communities that are most vulnerable to natural hazards.These designated zones will receive targeted support to access federal funding to plan for resilience projects that will help them reduce impacts caused by climate change and natural hazards. It will also enable communities to work across a range of federal and private sector partners to maximize funding and provide technical assistance, strengthening community resilience.Designated zones will receive targeted federal support, such as increased federal cost-share for the Building Resilient Infrastructure and Communities program, lessening the financial burden on communities to perform resilience-related activities. This layer allows users to identify the FEMA Community Disaster Resilience Zones, which target Census tracts identified as disadvantage communities most at-risk to natural hazards as a part of the Community Disaster Resilience Zones Act. The data methodology is available on the "Designation Methodology" page of the related FEMA Community Disaster Resilience Zones product.

  11. d

    Hydrographic and Impairment Statistics Database: WHHO

    • datasets.ai
    • catalog.data.gov
    • +1more
    55, 57
    Updated Aug 27, 2024
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    Department of the Interior (2024). Hydrographic and Impairment Statistics Database: WHHO [Dataset]. https://datasets.ai/datasets/hydrographic-and-impairment-statistics-database-whho
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    55, 57Available download formats
    Dataset updated
    Aug 27, 2024
    Dataset authored and provided by
    Department of the Interior
    Description

    Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government Performance and Results Act of 1993 (GPRA). One water resources management goal established by the Department of the Interior under GRPA requires NPS to track the percent of its managed surface waters that are meeting Clean Water Act (CWA) water quality standards. This goal requires an accurate inventory that spatially quantifies the surface water hydrography that each bureau manages and a procedure to determine and track which waterbodies are or are not meeting water quality standards as outlined by Section 303(d) of the CWA. This project helps meet this DOI GRPA goal by inventorying and monitoring in a geographic information system for the NPS: (1) CWA 303(d) quality impaired waters and causes; and (2) hydrographic statistics based on the United States Geological Survey (USGS) National Hydrography Dataset (NHD). Hydrographic and 303(d) impairment statistics were evaluated based on a combination of 1:24,000 (NHD) and finer scale data (frequently provided by state GIS layers).

  12. w

    BLM National Surface Management Agency: Area Polygons, Withdrawal Area...

    • data.wu.ac.at
    esri rest
    Updated Apr 21, 2015
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    Federal Geographic Data Committee (2015). BLM National Surface Management Agency: Area Polygons, Withdrawal Area Polygons, and Special Public Purpose Withdrawal Area Polygons [Dataset]. https://data.wu.ac.at/odso/data_gov/OTU3ZGVmZDMtZjdiOS00ZWVlLWE0MzMtZTYwYjU3OTQ2ZjIx
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    esri restAvailable download formats
    Dataset updated
    Apr 21, 2015
    Dataset provided by
    Federal Geographic Data Committee
    License

    U.S. Government Workshttps://www.usa.gov/government-works
    License information was derived automatically

    Area covered
    6f545f21326b09bf1ff5c840541e9d55dc79157e
    Description

    The SMA implementation is comprised of one feature dataset, with several polygon feature classes, rather than a single feature class. SurfaceManagementAgency: The Surface Management Agency (SMA) Geographic Information System (GIS) dataset depicts Federal land for the United States and classifies this land by its active Federal surface managing agency. The SMA feature class covers the continental United States, Alaska, Hawaii, Puerto Rico, Guam, American Samoa and the Virgin Islands. A Federal SMA agency refers to a Federal agency with administrative jurisdiction over the surface of Federal lands. Jurisdiction over the land is defined when the land is either: Withdrawn by some administrative or legislative action, or Acquired or Exchanged by a Federal Agency. This layer is a dynamic assembly of spatial data layers maintained at various federal and local government offices. The GIS data contained in this dataset represents the polygon features that show the boundaries for Surface Management Agency and the surface extent of each Federal agencyâ s surface administrative jurisdiction. SMA data depicts current withdrawn areas for a particular agency and (when appropriate) includes land that was acquired or exchanged and is located outside of a withdrawal area for that agency. The SMA data do not illustrate land status ownership pattern boundaries or contain land ownership attribute details. SMA_Withdrawals: The Surface Management Agency (SMA) Withdrawals Geographic Information System (GIS) dataset includes all of the known withdrawals which transfer surface jurisdictional responsibilities to federal agencies. The SMA Withdrawls feature class covers the continental United States, Alaska, Hawaii, Puerto Rico, Guam, American Samoa and the Virgin Islands. A Federal SMA Withdrawal is defined by formal actions that set aside, withhold, or reserve Federal land by statute or administrative order for public purposes. A withdrawal creates a title encumbrance on the land. Withdrawals must accomplish one or more of the following: A. Transfer total or partial jurisdiction of Federal land between Federal agencies. B. Close (segregate) Federal land to operation of all or some of the public land laws and/or mineral laws. C. Dedicate Federal land to a specific public purpose. There are four major categories of formal withdrawals: (1) Administrative, (2) Presidential Proclamations, (3) Congressional, and (4) Federal Power Act (FPA) or Federal Energy Regulatory Commission (FERC) Withdrawals. These SMA Withdrawals will include the present total extent of withdrawn areas rather than all of the individual withdrawal actions that created them over time. These data do not illustrate land status ownership pattern boundaries or contain land ownership attribute details. SPP_WithdrawalAreas: The Special Public Purpose (SPP) Withdrawals Geographic Information System (GIS) dataset includes all of the known SPP Withdrawal Areas, which limit use or access to Federal lands (e.g. Wilderness, National Monument). The Special Public Purpose Withdrawal Areas feature class covers the continental United States, Alaska, Hawaii, Puerto Rico, Guam, American Samoa and the Virgin Islands. A Federal SPP Withdrawal Area is defined by formal actions that set aside, withhold, or reserve Federal land by statute or administrative order for public purposes. A withdrawal creates a title encumbrance on the land. Withdrawals must accomplish one or more of the following: A. Transfer total or partial jurisdiction of Federal land between Federal agencies. B. Close (segregate) Federal land to operation of all or some of the public land laws and/or mineral laws. C. Dedicate Federal land to a specific public purpose. There are four major categories of formal withdrawals: (1) Administrative, (2) Presidential Proclamations, (3) Congressional, and (4) Federal Power Act (FPA) or Federal Energy Regulatory Commission (FERC) Withdrawals. These SPP Withdrawals include the present total extent of withdrawn areas rather than all of the individual withdrawal actions that created them over time. These data do not illustrate land status ownership pattern boundaries or contain land ownership attribute details.

  13. A

    ‘Results of the 2017 presidential elections (second round) ’ analyzed by...

    • analyst-2.ai
    Updated Jan 11, 2022
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    Analyst-2 (analyst-2.ai) / Inspirient GmbH (inspirient.com) (2022). ‘Results of the 2017 presidential elections (second round) ’ analyzed by Analyst-2 [Dataset]. https://analyst-2.ai/analysis/data-europa-eu-results-of-the-2017-presidential-elections-second-round-c4c2/8d915c8e/?iid=001-673&v=presentation
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    Dataset updated
    Jan 11, 2022
    Dataset authored and provided by
    Analyst-2 (analyst-2.ai) / Inspirient GmbH (inspirient.com)
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Description

    Analysis of ‘Results of the 2017 presidential elections (second round) ’ provided by Analyst-2 (analyst-2.ai), based on source dataset retrieved from http://data.europa.eu/88u/dataset/https-mon-saint-quentin-hub-arcgis-com-datasets-5a821f63d54f4bf3ab1567727c6eee09_0 on 11 January 2022.

    --- Dataset description provided by original source is as follows ---

    Results of the 2017 presidential elections (second round) by polling station in the city of Saint-Quentin

    --- Original source retains full ownership of the source dataset ---

  14. d

    Lenfant Plan Historic Map - 1887

    • catalog.data.gov
    • private-demo-dcdev.opendata.arcgis.com
    • +1more
    Updated Feb 4, 2025
    + more versions
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    City of Washington, DC (2025). Lenfant Plan Historic Map - 1887 [Dataset]. https://catalog.data.gov/dataset/lenfant-plan-historic-map-1887
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    Dataset updated
    Feb 4, 2025
    Dataset provided by
    City of Washington, DC
    Description

    Plan of the city intended for the permanent seat of the government of t[he] United States : projected agreeable to the direction of the President of the United States, in pursuance of an act of Congress passed the sixteenth day of July, MDCCXC, "establishing the permanent seat on the bank of the Potowmac" : [Washington D.C.] / by Peter Charles L'Enfant.

  15. b

    Community Associations

    • opendata.baltimorecountymd.gov
    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    • +2more
    Updated Mar 23, 2017
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    Baltimore County Government (2017). Community Associations [Dataset]. https://opendata.baltimorecountymd.gov/maps/community-associations
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    Dataset updated
    Mar 23, 2017
    Dataset authored and provided by
    Baltimore County Government
    Area covered
    Description

    This data shows the extends of the community associations in Baltimore County. It gives the name of the association and if the association is currently active in Baltimore County. This data can be linked to the Planning Dept. "contacts" database which contains the association contact information, president, terms, bylaws, etc.

  16. a

    ANCSA 14c Status

    • gis.data.alaska.gov
    • hub.arcgis.com
    • +4more
    Updated Jul 26, 2018
    + more versions
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    Dept. of Commerce, Community, & Economic Development (2018). ANCSA 14c Status [Dataset]. https://gis.data.alaska.gov/datasets/d92c650d5ab54d8bb6a54386e195f418
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    Dataset updated
    Jul 26, 2018
    Dataset authored and provided by
    Dept. of Commerce, Community, & Economic Development
    Area covered
    Description

    Current known land conveyance status of ANCSA lands in Alaska at the Community Level (a very small part of the ANCSA conveyance process).The portion represented here is essentially focused more on the ANCSA 14(c)(3) part of ANCSA and known ANCSA 14(c) Plats filed in the Recorder's Office. Federal Tribes, ANCSA Community Flag, Federal Tribe Flag, Federal Tribe Name, Village Corp, Appropriate Village Entity are static as the original sources are unknown as to where those values were derived - though the Alaska BLM's Adjudication Services Office is likely the most definitive source today.ANCSA 14(c) known plats WebAppViewer: ANCSA 14c Plats for ANCSA CommunitiesThe Alaska Native Claims Settlement Act (ANCSA) was signed into law by President Richard Nixon on December 18, 1971, constituting at the time the largest land claims settlement in United States history.

  17. c

    i03 Hydrologic Regions

    • gis.data.cnra.ca.gov
    • data.ca.gov
    • +7more
    Updated Feb 7, 2023
    + more versions
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    Carlos.Lewis@water.ca.gov_DWR (2023). i03 Hydrologic Regions [Dataset]. https://gis.data.cnra.ca.gov/datasets/3ce65cc69e0048169396b3610d6256b0
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    Dataset updated
    Feb 7, 2023
    Dataset authored and provided by
    Carlos.Lewis@water.ca.gov_DWR
    Area covered
    Description

    Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (See metadata for CAL-FIRE cnty18_1), State of California.The existing DAU boundaries were aligned with cnty18_1 feature class.Originally a collaboration by Department of Water Resources, Region Office personnel, Michael L. Serna, NRO, Jason Harbaugh - NCRO, Cynthia Moffett - SCRO and Robert Fastenau - SRO with the final merge of all data into a cohesive feature class to create i03_DAU_COUNTY_cnty24k09 alignment which has been updated to create i03_DAU_COUNTY_cnty18_1.This version was derived from a preexisting “dau_v2_105, 27, i03_DAU_COUNTY_cnty24k09” Detailed Analysis Unit feature class's and aligned with Cal-Fire's 2018 boundary.Manmade structures such as piers and breakers, small islands and coastal rocks have been removed from this version. Inlets waters are listed on the coast only.These features are reachable by County\DAU. This allows the county boundaries, the DAU boundaries and the State of California Boundary to match Cal-Fire cnty18_1.DAU BackgroundThe first investigation of California's water resources began in 1873 when President Ulysses S. Grant commissioned an investigation by Colonel B. S. Alexander of the U.S. Army Corps of Engineers. The state followed with its own study in 1878 when the State Engineer's office was created and filled by William Hammond Hall. The concept of a statewide water development project was first raised in 1919 by Lt. Robert B. Marshall of the U.S. Geological Survey.In 1931, State Engineer Edward Hyatt introduced a report identifying the facilities required and the economic means to accomplish a north-to-south water transfer. Called the "State Water Plan", the report took nine years to prepare. To implement the plan, the Legislature passed the Central Valley Act of 1933, which authorized the project. Due to lack of funds, the federal government took over the CVP as a public works project to provide jobs and its construction began in 1935.In 1945, the California Legislature authorized an investigation of statewide water resources and in 1947, the California Legislature requested that an investigation be conducted of the water resources as well as present and future water needs for all hydrologic regions in the State. Accordingly, DWR and its predecessor agencies began to collect the urban and agricultural land use and water use data that serve as the basis for the computations of current and projected water uses.The work, conducted by the Division of Water Resources (DWR’s predecessor) under the Department of Public Works, led to the publication of three important bulletins: Bulletin 1 (1951), "Water Resources of California," a collection of data on precipitation, unimpaired stream flows, flood flows and frequency, and water quality statewide; Bulletin 2 (1955), "Water Utilization and Requirements of California," estimates of water uses and forecasts of "ultimate" water needs; and Bulletin 3 (1957), "The California Water Plan," plans for full practical development of California’s water resources, both by local projects and a major State project to meet the State's ultimate needs. (See brief addendum below* “The Development of Boundaries for Hydrologic Studies for the Sacramento Valley Region”)DWR subdivided California into study areas for planning purposes. The largest study areas are the ten hydrologic regions (HR), corresponding to the State’s major drainage basins. The next levels of delineation are the Planning Areas (PA), which in turn are composed of multiple detailed analysis units (DAU). The DAUs are often split by county boundaries, so are the smallest study areas used by DWR.The DAU/counties are used for estimating water demand by agricultural crops and other surfaces for water resources planning. Under current guidelines, each DAU/County has multiple crop and land-use categories. Many planning studies begin at the DAU or PA level, and the results are aggregated into hydrologic regions for presentation.Since 1950 DWR has conducted over 250 land use surveys of all or parts of California's 58 counties. Early land use surveys were recorded on paper maps of USGS 7.5' quadrangles. In 1986, DWR began to develop georeferenced digital maps of land use survey data, which are available for download. Long term goals for this program is to survey land use more frequently and efficiently using satellite imagery, high elevation digital imagery, local sources of data, and remote sensing in conjunction with field surveys.There are currently 58 counties and 278 DAUs in California.Due to some DAUs being split by county lines, the total number of DAU’s identifiable via DAU by County is 782.**ADDENDUM**The Development of Boundaries for Hydrologic Studies for the Sacramento Valley Region[Detailed Analysis Units made up of a grouping of the Depletion Study Drainage Areas (DSA) boundaries occurred on the Eastern Foothills and Mountains within the Sacramento Region. Other DSA’s were divided into two or more DAU’s; for example, DSA 58 (Redding Basin) was divided into 3 DAU’s; 143,141, and 145. Mountain areas on both the east and west side of the Sacramento River below Shasta Dam went from ridge top to ridge top, or topographic highs. If available, boundaries were set adjacent to stream gages located at the low point of rivers and major creek drainages.Later, as the DAU’s were developed, some of the smaller watershed DSA boundaries in the foothill and mountain areas were grouped. The Pit River DSA was split so water use in the larger valleys (Alturas area, Big Valley, Fall River Valley, Hat Creek) could be analyzed. A change in the boundary of the Sacramento Region mountain area occurred at this time when Goose Lake near the Oregon State Line was included as part of the Sacramento Region.The Sacramento Valley Floor hydrologic boundary was at the edge of the alluvial soils and slightly modified to follow the water bearing sediments to a depth of 200 feet or more. Stream gages were located on incoming streams and used as an exception to the alluvial soil boundary. Another exception to the alluvial boundary was the inclusion of the foothills between Red Bluff and the Redding Basin. Modifications of the valley floor exterior boundary were made to facilitate analysis; some areas at the northern end of the valley followed section lines or other established boundaries.Valley floor boundaries, as originally shown in Bulletin 2, Water Utilization and Requirements of California, 1955 were based on physical topographic features such as ridges even if they only rise a few feet between basins and/or drainage areas. A few boundaries were based on drainage canals. The Joint DWR-USBR Depletion Study Drainage Areas (DSA) used drainage areas where topographic highs drained into one drainage basin. Some areas were difficult to study, particularly in areas transected by major rivers. Depletion Study Drainage Areas containing large rivers were separated into two DAU’s; one on each side of the river. This made it easier to analyze water source, water supply, and water use and drainage outflow from the DAU.Many of the DAUs that consist of natural drainage basins have stream gages located at outfall gates, which provided an accurate estimate of water leaving the unit. Detailed Analysis Units based on political boundaries or other criteria are much more difficult to analyze than those units that follow natural drainage basins.]**END ADDENDUM**

  18. a

    Promise Zone

    • open-data-hartford-hartfordgis.hub.arcgis.com
    • data.hartford.gov
    • +2more
    Updated Sep 16, 2024
    + more versions
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    City of Hartford (2024). Promise Zone [Dataset]. https://open-data-hartford-hartfordgis.hub.arcgis.com/datasets/promise-zone
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    Dataset updated
    Sep 16, 2024
    Dataset authored and provided by
    City of Hartford
    License

    CC0 1.0 Universal Public Domain Dedicationhttps://creativecommons.org/publicdomain/zero/1.0/
    License information was derived automatically

    Area covered
    Description

    HUD has awarded a Promise Zone designation to North Hartford – a 3.11 square-mile area encompassing the Clay Arsenal, Northeast and Upper Albany neighborhoods – making Hartford the first City in Connecticut to take part in this competitive initiative created by President Barack Obama.

  19. a

    NCR DC 1800 City Plan, Jattnig

    • nps.hub.arcgis.com
    Updated Jan 3, 2024
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    National Park Service (2024). NCR DC 1800 City Plan, Jattnig [Dataset]. https://nps.hub.arcgis.com/maps/nps::ncr-dc-1800-city-plan-jattnig
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    Dataset updated
    Jan 3, 2024
    Dataset authored and provided by
    National Park Service
    Area covered
    Washington,
    Description

    Plan of the city of Washington / nach dem englischen Original gestochen von Carl Jättnig in Berlin.Library of Congress: Plan of the city of Washington | Library of Congress (loc.gov)

  20. Disaster Declaration Presidential Individual and Public Assistance

    • public-iowadot.opendata.arcgis.com
    • data.iowadot.gov
    • +1more
    Updated Mar 24, 2019
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    Iowa Department of Transportation (2019). Disaster Declaration Presidential Individual and Public Assistance [Dataset]. https://public-iowadot.opendata.arcgis.com/datasets/disaster-declaration-presidential-individual-and-public-assistance
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    Dataset updated
    Mar 24, 2019
    Dataset authored and provided by
    Iowa Department of Transportationhttps://iowadot.gov/
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    Presidential disaster declaration Individual and Public Assistance.Service is for the Iowa Disaster Declaration Application. To view all counties and declarations, use this service.

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National Park Service (2025). NCR DC ANCs and NPS in DC by Admin Unit Web Map [Dataset]. https://nps.hub.arcgis.com/maps/6a033869172e43ab8374b3aea21ab636
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NCR DC ANCs and NPS in DC by Admin Unit Web Map

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Dataset updated
Jan 15, 2025
Dataset authored and provided by
National Park Servicehttp://www.nps.gov/
Area covered
Description

This map displays the National Park Service (NPS) jurisdictional boundaries in the District of Columbia (DC) overlaid with DC's Advisory Neighborhood Commission (ANC) and Single Member District (SMD) boundaries. It's intended purpose is to help people determine what ANC and/or SMD a particular park area is associated with.This web app uses the following DC datasets:Advisory Neighborhood Commissions from 2023 | Open Data DCSingle Member District from 2023 | Open Data DCMore information is available on the DC GIS website or the DC OpenData website.The NPS Land and Jurisdictional data layers represent the land under the jurisdiction of the NPS including which NPS administrative unit manages it. This boundary is equivalent to the type of boundary that is displayed on park brochure maps.These polygons do NOT represent the legal the boundary. For issues regarding land ownership and official boundaries, contact the National Capital Region Land Resources Program Center using the contact form.The National Capital Region NPS jurisdictional boundaries data is available on the National Capital Region NPS OpenData site, along with other NCR-specific NPS datasets. Visit the National Park Service OpenData site for more NPS data or the Integrated Resource Management Application (IRMA) Portal for NPS data, documents, and more.This web map is used in the NPS Land in DC and Advisory Neighborhood Commissions InstantApp (Item Details - NCR DC ANCs and NPS in DC Web App).

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