100+ datasets found
  1. d

    Land Boundary Change

    • catalog.data.gov
    • opendata.dc.gov
    • +3more
    Updated May 21, 2025
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    Department of Buildings (2025). Land Boundary Change [Dataset]. https://catalog.data.gov/dataset/land-boundary-change
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    Dataset updated
    May 21, 2025
    Dataset provided by
    Department of Buildings
    Description

    This layer is derived from the Common Ownership Lots and represents property transactions as they’ve occurred since the implementation of the Vector Property Mapping program in September 2006. A property transaction entails new geometry (split/combination of Lot(s) or property type conversion (from Air Rights, Record, or Tax Lots to Condo lots). The layer contains locations and attributes of archived features (inactive lots – dead lots) and corresponds with Office of Tax and Revenue's Public Extract files (ITSPE). It occurs weekly for the current calendar year and geometry updated when a transaction occurs.

  2. NPS - Land Resources Division Boundary and Tract Data Service

    • gis.data.mass.gov
    • ngda-cadastre-geoplatform.hub.arcgis.com
    • +4more
    Updated Dec 12, 2019
    + more versions
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    National Park Service (2019). NPS - Land Resources Division Boundary and Tract Data Service [Dataset]. https://gis.data.mass.gov/maps/c8d60ffcbf5c4030a17762fe10e81c6a
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    Dataset updated
    Dec 12, 2019
    Dataset authored and provided by
    National Park Servicehttp://www.nps.gov/
    Area covered
    Description

    This service depicts National Park Service tract and boundary data that was created by the Land Resources Division. NPS Director's Order #25 states: "Land status maps will be prepared to identify the ownership of the lands within the authorized boundaries of the park unit. These maps, showing ownership and acreage, are the 'official record' of the acreage of Federal and non-federal lands within the park boundaries. While these maps are the official record of the lands and acreage within the unit's authorized boundaries, they are not of survey quality and not intended to be used for survey purposes." As such this data is intended for use as a tool for GIS analysis. It is in no way intended for engineering or legal purposes. The data accuracy is checked against best available sources which may be dated and vary by location. NPS assumes no liability for use of this data. The boundary polygons represent the current legislated boundary of a given NPS unit. NPS does not necessarily have full fee ownership or hold another interest (easement, right of way, etc...) in all parcels contained within this boundary. Equivalently NPS may own or have an interest in parcels outside the legislated boundary of a given unit. In order to obtain complete information about current NPS interests both inside and outside a unit’s legislated boundary tract level polygons are also created by NPS Land Resources Division and should be used in conjunction with this boundary data. To download this data directly from the NPS go to https://irma.nps.gov Property ownership data is compiled from deeds, plats, surveys, and other source data. These are not engineering quality drawings and should be used for administrative purposes only. The National Park Service (NPS) shall not be held liable for improper or incorrect use of the data described and/or contained herein. These data and related graphics are not legal documents and are not intended to be used as such. The information contained in these data is dynamic and may change over time. The data are not better than the original sources from which they were derived. It is the responsibility of the data user to use the data appropriately and consistent within the limitations of geospatial data in general and these data in particular. The related graphics are intended to aid the data user in acquiring relevant data; it is not appropriate to use the related graphics as data. The National Park Service gives no warranty, expressed or implied, as to the accuracy, reliability, or completeness of these data. It is strongly recommended that these data are directly acquired from an NPS server and not indirectly through other sources which may have changed the data in some way. Although these data have been processed successfully on a computer system at the National Park Service, no warranty expressed or implied is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data.

  3. U

    USGS National Boundary Dataset (NBD) Downloadable Data Collection

    • data.usgs.gov
    • s.cnmilf.com
    • +2more
    Updated Apr 29, 2010
    + more versions
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    U.S. Geological Survey, National Geospatial Technical Operations Center (2021). USGS National Boundary Dataset (NBD) Downloadable Data Collection [Dataset]. https://data.usgs.gov/datacatalog/data/USGS:6dcde538-1684-48a0-a8d6-cb671ca0a43e
    Explore at:
    Dataset updated
    Apr 29, 2010
    Dataset provided by
    United States Geological Surveyhttp://www.usgs.gov/
    Authors
    U.S. Geological Survey, National Geospatial Technical Operations Center
    License

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

    Description

    The USGS Governmental Unit Boundaries dataset from The National Map (TNM) represents major civil areas for the Nation, including States or Territories, counties (or equivalents), Federal and Native American areas, congressional districts, minor civil divisions, incorporated places (such as cities and towns), and unincorporated places. Boundaries data are useful for understanding the extent of jurisdictional or administrative areas for a wide range of applications, including mapping or managing resources, and responding to natural disasters. Boundaries data also include extents of forest, grassland, park, wilderness, wildlife, and other reserve areas useful for recreational activities, such as hiking and backpacking. Boundaries data are acquired from a variety of government sources. The data represents the source data with minimal editing or review by USGS. Please refer to the feature-level metadata ...

  4. K

    World Land Boundaries (1:10 million)

    • koordinates.com
    csv, dwg, geodatabase +6
    Updated Dec 4, 2009
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    Natural Earth (2009). World Land Boundaries (1:10 million) [Dataset]. https://koordinates.com/layer/1300-world-land-boundaries-110-million/
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    geopackage / sqlite, pdf, kml, geodatabase, mapinfo tab, shapefile, csv, dwg, mapinfo mifAvailable download formats
    Dataset updated
    Dec 4, 2009
    Dataset authored and provided by
    Natural Earth
    Area covered
    World,
    Description

    World land boundaries (disputed borders and treaty demarcation lines etc) at 1:10 million scale.

    Made with Natural Earth. Free vector and raster map data @ naturalearthdata.com.

  5. d

    Bureau of Land Management Land Grant Boundaries.

    • datadiscoverystudio.org
    • gstore.unm.edu
    • +2more
    csv, geojson, gml +7
    Updated Jun 25, 2014
    + more versions
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    (2014). Bureau of Land Management Land Grant Boundaries. [Dataset]. http://datadiscoverystudio.org/geoportal/rest/metadata/item/7e715e90e69144fa9b77ffefae821c92/html
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    xml, zip, kml, geojson, html, csv, shp, json, xls, gmlAvailable download formats
    Dataset updated
    Jun 25, 2014
    Description

    description: This data has been collected by the U.S. Bureau of Land Management (BLM) in New Mexico at the New Mexico State Office. The initial data source is the statewide Public Land Survey System (PLSS) coverage for the state of New Mexico, generated at the BLM New Mexico State Office. Additional data was onscreen-digitized from BLM Cadastral Survey Plats and Master Title Plats, or tablet-digitized from 1:24,000 paper maps. This revision reflects boundary adjustments made in the Albuquerque area to more accurately reflect boundaries as depicted on USGS 1:24,000 topographic maps. Note for Shapefiles: Shapefiles have been created from coverages using the "Export Coverage to Shapefile" function in ArcGIS 8.3. All occurrences of "#" and "-" in INFO item names are replaced with an underscore character. This includes COVER# and COVER-ID, which become "COVER_" and "COVER_ID". Additionally, the Shapefile format only allows 10 characters in item names, so long item names are truncated. To avoid duplicate names, the items are truncated and assigned consecutive numbers. For example, in a coverage called CITY_STREET the items "CITY_STREET#" and "CITY_STREET-ID" become "CITY_STRE" and "CITY_STR_1" .; abstract: This data has been collected by the U.S. Bureau of Land Management (BLM) in New Mexico at the New Mexico State Office. The initial data source is the statewide Public Land Survey System (PLSS) coverage for the state of New Mexico, generated at the BLM New Mexico State Office. Additional data was onscreen-digitized from BLM Cadastral Survey Plats and Master Title Plats, or tablet-digitized from 1:24,000 paper maps. This revision reflects boundary adjustments made in the Albuquerque area to more accurately reflect boundaries as depicted on USGS 1:24,000 topographic maps. Note for Shapefiles: Shapefiles have been created from coverages using the "Export Coverage to Shapefile" function in ArcGIS 8.3. All occurrences of "#" and "-" in INFO item names are replaced with an underscore character. This includes COVER# and COVER-ID, which become "COVER_" and "COVER_ID". Additionally, the Shapefile format only allows 10 characters in item names, so long item names are truncated. To avoid duplicate names, the items are truncated and assigned consecutive numbers. For example, in a coverage called CITY_STREET the items "CITY_STREET#" and "CITY_STREET-ID" become "CITY_STRE" and "CITY_STR_1" .

  6. d

    Parcels and Land Ownership, This data set consists of digital map files...

    • datadiscoverystudio.org
    • data.wu.ac.at
    htm
    Updated Aug 19, 2017
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    (2017). Parcels and Land Ownership, This data set consists of digital map files containing parcel-level cadastral information obtained from property descriptions. Cadastral features contained in the data set include real property boundary lines, rights-of-way boundaries, property dimensions, Published in Not Provided, 1:2400 (1in=200ft) scale, Racine County Government.. [Dataset]. http://datadiscoverystudio.org/geoportal/rest/metadata/item/e0ae644ee284442593f91839e44af038/html
    Explore at:
    htmAvailable download formats
    Dataset updated
    Aug 19, 2017
    Description

    description: Parcels and Land Ownership dataset current as of unknown. This data set consists of digital map files containing parcel-level cadastral information obtained from property descriptions. Cadastral features contained in the data set include real property boundary lines, rights-of-way boundaries, property dimensions.; abstract: Parcels and Land Ownership dataset current as of unknown. This data set consists of digital map files containing parcel-level cadastral information obtained from property descriptions. Cadastral features contained in the data set include real property boundary lines, rights-of-way boundaries, property dimensions.

  7. US/Canada Land Boundary

    • water-amerigeoss.opendata.arcgis.com
    • gisnation-sdi.hub.arcgis.com
    • +8more
    Updated Apr 30, 2024
    + more versions
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    GeoPlatform ArcGIS Online (2024). US/Canada Land Boundary [Dataset]. https://water-amerigeoss.opendata.arcgis.com/maps/geoplatform::us-canada-land-boundary
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    Dataset updated
    Apr 30, 2024
    Dataset provided by
    https://arcgis.com/
    Authors
    GeoPlatform ArcGIS Online
    License

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

    Area covered
    Canada, United States,
    Description

    This layer is the US/Canada international boundary, which extends on land and through the Great Lakes.

  8. g

    US / Mexico Land Boundary Monuments

    • gimi9.com
    • catalog.data.gov
    • +1more
    + more versions
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    US / Mexico Land Boundary Monuments [Dataset]. https://gimi9.com/dataset/data-gov_us-mexico-land-boundary-monuments
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    License

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

    Area covered
    Mexico, United States
    Description

    This dataset represents the international land boundary monuments between the United States of America and the United States of Mexico.This feature class is a digital representation of the international land boundary monuments between the United States and Mexico in accordance with the 1970 Treaty (Treaty to Resolve Pending Boundary Differences and Maintain the Rio Grande and Colorado River as the International Boundary). It has been generated from a combination of recent surveys and datum conversions. It is intended for mapping purposes only.Degree Minute Seconds (DMS) coordinates and Decimal Degrees coordinates were calculated in the NAD83(CORS96) Epoch 2002 Coordinates system.

  9. BLM OR District Boundary Land Polygon Hub

    • catalog.data.gov
    • datasets.ai
    Updated Jul 13, 2025
    + more versions
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    Bureau of Land Management (2025). BLM OR District Boundary Land Polygon Hub [Dataset]. https://catalog.data.gov/dataset/blm-or-district-boundary-land-polygon-hub-62e6e
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    Dataset updated
    Jul 13, 2025
    Dataset provided by
    Bureau of Land Managementhttp://www.blm.gov/
    Description

    DOB_LAND_POLY: This theme shows the polygon representation of Bureau of Land Management Districts for Oregon and Washington up to the coastline and including the off-shore islands within the district boundaries.

  10. U.S. National Land Parcel Data | 190M+ Land Parcel Records | 100+ Property...

    • data.thewarrengroup.com
    + more versions
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    The Warren Group, U.S. National Land Parcel Data | 190M+ Land Parcel Records | 100+ Property Characteristics | Land Use & Boundary Data [Dataset]. https://data.thewarrengroup.com/products/u-s-national-land-parcel-data-157m-land-parcel-records-the-warren-group
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    Dataset authored and provided by
    The Warren Group
    Area covered
    United States
    Description

    Land Parcel Data provides detailed information about individual parcels of land, offering insights into land ownership, boundaries, zoning regulations, land use, and other pertinent details.

  11. Forest Administrative Boundaries (Feature Layer)

    • agdatacommons.nal.usda.gov
    • catalog.data.gov
    • +3more
    bin
    Updated Apr 22, 2025
    + more versions
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    U.S. Forest Service (2025). Forest Administrative Boundaries (Feature Layer) [Dataset]. https://agdatacommons.nal.usda.gov/articles/dataset/Forest_Administrative_Boundaries_Feature_Layer_/25972309
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    binAvailable download formats
    Dataset updated
    Apr 22, 2025
    Dataset provided by
    U.S. Department of Agriculture Forest Servicehttp://fs.fed.us/
    Authors
    U.S. Forest Service
    License

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

    Description

    An area encompassing all the National Forest System lands administered by an administrative unit. The area encompasses private lands, other governmental agency lands, and may contain National Forest System lands within the proclaimed boundaries of another administrative unit. All National Forest System lands fall within one and only one Administrative Forest Area. Click this link for full metadata description: MetadataThis record was taken from the USDA Enterprise Data Inventory that feeds into the https://data.gov catalog. Data for this record includes the following resources: ISO-19139 metadata ArcGIS Hub Dataset ArcGIS GeoService OGC WMS CSV Shapefile GeoJSON KML For complete information, please visit https://data.gov.

  12. Original Proclaimed National Forests and National Grasslands (Feature Layer)...

    • agdatacommons.nal.usda.gov
    • catalog.data.gov
    • +3more
    bin
    Updated Nov 23, 2024
    + more versions
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    U.S. Forest Service (2024). Original Proclaimed National Forests and National Grasslands (Feature Layer) [Dataset]. https://agdatacommons.nal.usda.gov/articles/dataset/Original_Proclaimed_National_Forests_and_National_Grasslands_Feature_Layer_/25973788
    Explore at:
    binAvailable download formats
    Dataset updated
    Nov 23, 2024
    Dataset provided by
    U.S. Department of Agriculture Forest Servicehttp://fs.fed.us/
    Authors
    U.S. Forest Service
    License

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

    Description

    This layer includes both Proclaimed Forest and National Grassland boundary areas. A Proclaimed Forest boundary is the boundary encompassing National Forest System land within a national forest that is set aside and reserved from the public domain by executive order or proclamation; congressional action is required to terminate a proclaimed boundary; if, at some point in time, no National Forest System land remains within the proclaimed boundary, then there is no legal significance to the proclaimed boundary, however, its legal status remains. National Grasslands are lands designated "National Grasslands" by the Secretary of Agriculture and permanently held by the Department of Agriculture for administration under Title III of the Bankhead-Jones Farm Tenant Act.Download via FSGeodata ClearinghouseThis record was taken from the USDA Enterprise Data Inventory that feeds into the https://data.gov catalog. Data for this record includes the following resources: ISO-19139 metadata ArcGIS Hub Dataset ArcGIS GeoService CSV Shapefile GeoJSON KML For complete information, please visit https://data.gov.

  13. d

    Digital Line Graph - 1:100,000 scale

    • search.dataone.org
    • catalog.data.gov
    Updated Mar 30, 2017
    + more versions
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    U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center (2017). Digital Line Graph - 1:100,000 scale [Dataset]. https://search.dataone.org/view/4ba6b26f-beb1-467e-9d7a-58be91639522
    Explore at:
    Dataset updated
    Mar 30, 2017
    Dataset provided by
    United States Geological Surveyhttp://www.usgs.gov/
    Authors
    U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center
    Area covered
    Description

    Digital line graph (DLG) data are digital representations of cartographic information. DLGs of map features are converted to digital form from maps and related sources. Intermediate-scale DLG data are derived from USGS 1:100,000-scale 30- by 60-minute quadrangle maps. If these maps are not available, Bureau of Land Management planimetric maps at a scale of 1:100,000 are used. Intermediate-scale DLGs are sold in five categories: (1) Public Land Survey System; (2) boundaries; (3) transportation; (4) hydrography; and (5) hypsography. All DLG data distributed by the USGS are DLG-Level 3 (DLG-3), which means the data contain a full range of attribute codes, have full topological structuring, and have passed certain quality-control checks.

  14. NZ Parcel Boundaries Wireframe

    • data.linz.govt.nz
    Updated May 1, 2015
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    Land Information New Zealand (2015). NZ Parcel Boundaries Wireframe [Dataset]. https://data.linz.govt.nz/set/4769-nz-parcel-boundaries-wireframe/
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    Dataset updated
    May 1, 2015
    Dataset authored and provided by
    Land Information New Zealandhttps://www.linz.govt.nz/
    Description

    NZ Parcel Boundaries Wireframe provides a map of land, road and other parcel boundaries, and is especially useful for displaying property boundaries.
    This map service is for visualisation purposes only and is not intended for download. You can download the full parcels data from the NZ Parcels dataset.
    This map service provides a dark outline and transparent fill, making it perfect for overlaying on our basemaps or any map service you choose.
    Data for this map service is sourced from the NZ Parcels dataset which is updated weekly with authoritative data direct from LINZ’s Survey and Title system. Refer to the NZ Parcel layer for detailed metadata.
    To simplify the visualisation of this data, the map service filters the data from the NZ Parcels layer to display parcels with a status of 'current' only.
    This map service has been designed to be integrated into GIS, web and mobile applications via LINZ’s WMTS and XYZ tile services. View the Services tab to access these services.
    See the LINZ website for service specifications and help using WMTS and XYZ tile services and more information about this service.

  15. l

    Data from: Conservation Lands

    • geohub.lacity.org
    Updated Dec 30, 2020
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    LA Sanitation (2020). Conservation Lands [Dataset]. https://geohub.lacity.org/maps/aee9237a592a4e3cbc5e76319f702858
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    Dataset updated
    Dec 30, 2020
    Dataset authored and provided by
    LA Sanitation
    Area covered
    Description

    Conservation Land Boundaries: Simplified polygon layers of various conservation land boundaries, providing unit name, type and other attributes. All boundaries are for reference and not for official or legal property boundary determination.

  16. V

    State Land

    • data.virginia.gov
    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    • +2more
    Updated Apr 12, 2025
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    Prince William County (2025). State Land [Dataset]. https://data.virginia.gov/dataset/state-land
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    arcgis geoservices rest api, csv, zip, geojson, html, kmlAvailable download formats
    Dataset updated
    Apr 12, 2025
    Dataset provided by
    Prince William County Department of Information Technology (DoIT), Geographic Information Systems (GIS) Division
    Authors
    Prince William County
    Description

    This data layer contains polygon features representing the approximate size and location of parcels owned by the State of Virginia located within Prince William County, Virginia. It was created to provide basic information regarding property location and boundaries, and is used as a graphical representation of legally recorded deed and plat documents for properties. Parcel ownership and recordation information is not included in this layer but can be purchased seperately from the Office of Real Estate Assessments. Users should be aware that this data does not represent legal property boundary descriptions, nor is it suitable for boundary determination of individual parcels. Any depiction of physical improvements, property lines or boundaries is for general information only and shall not be used for the design modification or construction of improvements to real property or for flood plain determination.

    The layer was derived from a variety of source maps including: mylar county parcel maps, plats of surveys, deed descriptions, subdivision maps, and highway right-of-way plats. These source materials were of several different scales and were from dates ranging from the early 1900's to the present.

  17. National Park Service Land Resources Division Tract and Boundary Service

    • hub.arcgis.com
    • nps.hub.arcgis.com
    Updated Dec 3, 2018
    + more versions
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    National Park Service (2018). National Park Service Land Resources Division Tract and Boundary Service [Dataset]. https://hub.arcgis.com/maps/a2848257cf5541338bab9b656440bd0c
    Explore at:
    Dataset updated
    Dec 3, 2018
    Dataset authored and provided by
    National Park Servicehttp://www.nps.gov/
    Area covered
    Description

    This service depicts National Park Service tract and boundary data that was created by the Land Resources Division. NPS Director's Order #25 states: "Land status maps will be prepared to identify the ownership of the lands within the authorized boundaries of the park unit. These maps, showing ownership and acreage, are the 'official record' of the acreage of Federal and non-federal lands within the park boundaries. While these maps are the official record of the lands and acreage within the unit's authorized boundaries, they are not of survey quality and not intended to be used for survey purposes." As such this data is intended for use as a tool for GIS analysis. It is in no way intended for engineering or legal purposes. The data accuracy is checked against best available sources which may be dated and vary by location. NPS assumes no liability for use of this data. The boundary polygons represent the current legislated boundary of a given NPS unit. NPS does not necessarily have full fee ownership or hold another interest (easement, right of way, etc...) in all parcels contained within this boundary. Equivalently NPS may own or have an interest in parcels outside the legislated boundary of a given unit. In order to obtain complete information about current NPS interests both inside and outside a unit’s legislated boundary tract level polygons are also created by NPS Land Resources Division and should be used in conjunction with this boundary data. To download this data directly from the NPS go to https://irma.nps.gov Property ownership data is compiled from deeds, plats, surveys, and other source data. These are not engineering quality drawings and should be used for administrative purposes only. The National Park Service (NPS) shall not be held liable for improper or incorrect use of the data described and/or contained herein. These data and related graphics are not legal documents and are not intended to be used as such. The information contained in these data is dynamic and may change over time. The data are not better than the original sources from which they were derived. It is the responsibility of the data user to use the data appropriately and consistent within the limitations of geospatial data in general and these data in particular. The related graphics are intended to aid the data user in acquiring relevant data; it is not appropriate to use the related graphics as data. The National Park Service gives no warranty, expressed or implied, as to the accuracy, reliability, or completeness of these data. It is strongly recommended that these data are directly acquired from an NPS server and not indirectly through other sources which may have changed the data in some way. Although these data have been processed successfully on a computer system at the National Park Service, no warranty expressed or implied is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data.

  18. BLM CA Land Use Planning Area Boundary Polygons

    • data.cnra.ca.gov
    Updated Jul 18, 2020
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    Bureau of Land Management (2020). BLM CA Land Use Planning Area Boundary Polygons [Dataset]. https://data.cnra.ca.gov/dataset/blm-ca-land-use-planning-area-boundary-polygons
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    Dataset updated
    Jul 18, 2020
    Dataset authored and provided by
    Bureau of Land Managementhttp://www.blm.gov/
    Area covered
    California
    Description

    This polyline feature class represents the arc features that will define the boundaries of BLM Land Use Planning Area (LUPA) anticipated, in-progress, existing and historic polygons. Their attributes serve to store feature level metadata information for the polygon boundaries, as well as document the origin and characteristics of each arc.

  19. K

    Nevada State Land Boundaries

    • koordinates.com
    csv, dwg, geodatabase +6
    Updated Oct 17, 2018
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    State of Nevada (2018). Nevada State Land Boundaries [Dataset]. https://koordinates.com/layer/98455-nevada-state-land-boundaries/
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    csv, mapinfo tab, geopackage / sqlite, mapinfo mif, geodatabase, dwg, kml, shapefile, pdfAvailable download formats
    Dataset updated
    Oct 17, 2018
    Dataset authored and provided by
    State of Nevada
    Area covered
    Description

    Feature Class containing lands managed and owned by the State of Nevada with NDSL property numbers.

    © State of Nevada Department of Conservation and National Resrouces Nevada Division of State Lands

  20. California Land Ownership

    • gis.data.ca.gov
    • data.cnra.ca.gov
    • +8more
    Updated Sep 14, 2019
    + more versions
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    California Department of Forestry and Fire Protection (2019). California Land Ownership [Dataset]. https://gis.data.ca.gov/maps/CALFIRE-Forestry::california-land-ownership/explore
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    Dataset updated
    Sep 14, 2019
    Dataset authored and provided by
    California Department of Forestry and Fire Protectionhttp://calfire.ca.gov/
    Area covered
    Description

    This dataset was updated April, 2024.This ownership dataset was generated primarily from CPAD data, which already tracks the majority of ownership information in California. CPAD is utilized without any snapping or clipping to FRA/SRA/LRA. CPAD has some important data gaps, so additional data sources are used to supplement the CPAD data. Currently this includes the most currently available data from BIA, DOD, and FWS. Additional sources may be added in subsequent versions. Decision rules were developed to identify priority layers in areas of overlap.Starting in 2022, the ownership dataset was compiled using a new methodology. Previous versions attempted to match federal ownership boundaries to the FRA footprint, and used a manual process for checking and tracking Federal ownership changes within the FRA, with CPAD ownership information only being used for SRA and LRA lands. The manual portion of that process was proving difficult to maintain, and the new method (described below) was developed in order to decrease the manual workload, and increase accountability by using an automated process by which any final ownership designation could be traced back to a specific dataset.The current process for compiling the data sources includes:* Clipping input datasets to the California boundary* Filtering the FWS data on the Primary Interest field to exclude lands that are managed by but not owned by FWS (ex: Leases, Easements, etc)* Supplementing the BIA Pacific Region Surface Trust lands data with the Western Region portion of the LAR dataset which extends into California.* Filtering the BIA data on the Trust Status field to exclude areas that represent mineral rights only.* Filtering the CPAD data on the Ownership Level field to exclude areas that are Privately owned (ex: HOAs)* In the case of overlap, sources were prioritized as follows: FWS > BIA > CPAD > DOD* As an exception to the above, DOD lands on FRA which overlapped with CPAD lands that were incorrectly coded as non-Federal were treated as an override, such that the DOD designation could win out over CPAD.In addition to this ownership dataset, a supplemental _source dataset is available which designates the source that was used to determine the ownership in this dataset.Data Sources:* GreenInfo Network's California Protected Areas Database (CPAD2023a). https://www.calands.org/cpad/; https://www.calands.org/wp-content/uploads/2023/06/CPAD-2023a-Database-Manual.pdf* US Fish and Wildlife Service FWSInterest dataset (updated December, 2023). https://gis-fws.opendata.arcgis.com/datasets/9c49bd03b8dc4b9188a8c84062792cff_0/explore* Department of Defense Military Bases dataset (updated September 2023) https://catalog.data.gov/dataset/military-bases* Bureau of Indian Affairs, Pacific Region, Surface Trust and Pacific Region Office (PRO) land boundaries data (2023) via John Mosley John.Mosley@bia.gov* Bureau of Indian Affairs, Land Area Representations (LAR) and BIA Regions datasets (updated Oct 2019) https://biamaps.doi.gov/bogs/datadownload.htmlData Gaps & Changes:Known gaps include several BOR, ACE and Navy lands which were not included in CPAD nor the DOD MIRTA dataset. Our hope for future versions is to refine the process by pulling in additional data sources to fill in some of those data gaps. Additionally, any feedback received about missing or inaccurate data can be taken back to the appropriate source data where appropriate, so fixes can occur in the source data, instead of just in this dataset.24_1: Input datasets this year included numerous changes since the previous version, particularly the CPAD and DOD inputs. Of particular note was the re-addition of Camp Pendleton to the DOD input dataset, which is reflected in this version of the ownership dataset. We were unable to obtain an updated input for tribral data, so the previous inputs was used for this version.23_1: A few discrepancies were discovered between data changes that occurred in CPAD when compared with parcel data. These issues will be taken to CPAD for clarification for future updates, but for ownership23_1 it reflects the data as it was coded in CPAD at the time. In addition, there was a change in the DOD input data between last year and this year, with the removal of Camp Pendleton. An inquiry was sent for clarification on this change, but for ownership23_1 it reflects the data per the DOD input dataset.22_1 : represents an initial version of ownership with a new methodology which was developed under a short timeframe. A comparison with previous versions of ownership highlighted the some data gaps with the current version. Some of these known gaps include several BOR, ACE and Navy lands which were not included in CPAD nor the DOD MIRTA dataset. Our hope for future versions is to refine the process by pulling in additional data sources to fill in some of those data gaps. In addition, any topological errors (like overlaps or gaps) that exist in the input datasets may thus carry over to the ownership dataset. Ideally, any feedback received about missing or inaccurate data can be taken back to the relevant source data where appropriate, so fixes can occur in the source data, instead of just in this dataset.

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Department of Buildings (2025). Land Boundary Change [Dataset]. https://catalog.data.gov/dataset/land-boundary-change

Land Boundary Change

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80 scholarly articles cite this dataset (View in Google Scholar)
Dataset updated
May 21, 2025
Dataset provided by
Department of Buildings
Description

This layer is derived from the Common Ownership Lots and represents property transactions as they’ve occurred since the implementation of the Vector Property Mapping program in September 2006. A property transaction entails new geometry (split/combination of Lot(s) or property type conversion (from Air Rights, Record, or Tax Lots to Condo lots). The layer contains locations and attributes of archived features (inactive lots – dead lots) and corresponds with Office of Tax and Revenue's Public Extract files (ITSPE). It occurs weekly for the current calendar year and geometry updated when a transaction occurs.

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