47 datasets found
  1. a

    subdivisions

    • madison-county-gis-data-download-madcoengineer.hub.arcgis.com
    Updated Mar 26, 2024
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    veades (2024). subdivisions [Dataset]. https://madison-county-gis-data-download-madcoengineer.hub.arcgis.com/datasets/4fa4cf0b0c6948729858ca1924bbed1d
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    Dataset updated
    Mar 26, 2024
    Dataset authored and provided by
    veades
    Area covered
    Description

    Madison County Jurisdictions. Corporations and Townships

  2. Aerial Photography and Imagery, Ortho-Corrected, 1969 Aerial photography...

    • data.wu.ac.at
    Updated Aug 19, 2017
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    NSGIC Regional | GIS Inventory (2017). Aerial Photography and Imagery, Ortho-Corrected, 1969 Aerial photography maps that have been scanned and georefernced for use within Madison County's GIS., Published in 1969, 1:7200 (1in=600ft) scale, Madison County Council of Governments. [Dataset]. https://data.wu.ac.at/schema/data_gov/NjE4ZWU4N2UtNmMwOS00MDg3LThlZmUtNjc3Nzg5YWNlYjdl
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    Dataset updated
    Aug 19, 2017
    Dataset provided by
    National States Geographic Information Council
    Area covered
    50a58655bc3402baa170ad7dc787adbb0cbe9276
    Description

    Aerial Photography and Imagery, Ortho-Corrected dataset current as of 1969. 1969 Aerial photography maps that have been scanned and georefernced for use within Madison County's GIS..

  3. a

    Reference Data

    • madison-county-gis-data-download-madcoengineer.hub.arcgis.com
    Updated Mar 26, 2024
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    veades (2024). Reference Data [Dataset]. https://madison-county-gis-data-download-madcoengineer.hub.arcgis.com/maps/b7db21fad4c9429788e0abdfcbff0163
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    Dataset updated
    Mar 26, 2024
    Dataset authored and provided by
    veades
    Area covered
    Description

    Madison County Reference Data

  4. a

    Monuments

    • madison-county-gis-data-download-madcoengineer.hub.arcgis.com
    Updated Mar 26, 2024
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    veades (2024). Monuments [Dataset]. https://madison-county-gis-data-download-madcoengineer.hub.arcgis.com/datasets/b7db21fad4c9429788e0abdfcbff0163
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    Dataset updated
    Mar 26, 2024
    Dataset authored and provided by
    veades
    Area covered
    Description

    Madison County Reference Data

  5. a

    Drainage

    • madison-county-gis-data-download-madcoengineer.hub.arcgis.com
    Updated Mar 26, 2024
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    veades (2024). Drainage [Dataset]. https://madison-county-gis-data-download-madcoengineer.hub.arcgis.com/maps/bde8b58db9944427a8c923251160d4be
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    Dataset updated
    Mar 26, 2024
    Dataset authored and provided by
    veades
    Area covered
    Description

    Madison County Engineer Drainage

  6. TIGER/Line Shapefile, 2021, County, Madison County, AL, All Roads

    • catalog.data.gov
    Updated Nov 1, 2022
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    U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch (Publisher) (2022). TIGER/Line Shapefile, 2021, County, Madison County, AL, All Roads [Dataset]. https://catalog.data.gov/dataset/tiger-line-shapefile-2021-county-madison-county-al-all-roads
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    Dataset updated
    Nov 1, 2022
    Dataset provided by
    United States Census Bureauhttp://census.gov/
    Area covered
    Madison County, Alabama
    Description

    The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. The All Roads Shapefile includes all features within the MTDB Super Class "Road/Path Features" distinguished where the MAF/TIGER Feature Classification Code (MTFCC) for the feature in MTDB that begins with "S". This includes all primary, secondary, local neighborhood, and rural roads, city streets, vehicular trails (4wd), ramps, service drives, alleys, parking lot roads, private roads for service vehicles (logging, oil fields, ranches, etc.), bike paths or trails, bridle/horse paths, walkways/pedestrian trails, stairways, and winter trails.

  7. a

    rail

    • madison-county-gis-data-download-madcoengineer.hub.arcgis.com
    Updated Mar 26, 2024
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    veades (2024). rail [Dataset]. https://madison-county-gis-data-download-madcoengineer.hub.arcgis.com/datasets/44685cb4882944ceb7fd11d1e5be63de
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    Dataset updated
    Mar 26, 2024
    Dataset authored and provided by
    veades
    Area covered
    Description

    Madison County Ohio Infrastructure, structures, centerlines, rail etc.

  8. w

    Aerial Photography and Imagery, Ortho-Corrected, Published in Not Provided,...

    • data.wu.ac.at
    Updated Dec 14, 2017
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    NSGIC Local Govt | GIS Inventory (2017). Aerial Photography and Imagery, Ortho-Corrected, Published in Not Provided, Madison County Government. [Dataset]. https://data.wu.ac.at/schema/data_gov/YjlmYjM0NWEtZTk5OS00MmZkLWI3YjctMWIxNjEzZjZjNzA5
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    Dataset updated
    Dec 14, 2017
    Dataset provided by
    NSGIC Local Govt | GIS Inventory
    Area covered
    c0d85a97b6f7285ddc71c8d2a8328809bed6a777
    Description

    Aerial Photography and Imagery, Ortho-Corrected dataset current as of unknown.

  9. f

    Florida Statewide Parcels

    • floridagio.gov
    • geodata.floridagio.gov
    Updated Aug 25, 2025
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    State of Florida Geographic Information Office (2025). Florida Statewide Parcels [Dataset]. https://www.floridagio.gov/datasets/FGIO::florida-statewide-parcels/about
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    Dataset updated
    Aug 25, 2025
    Dataset authored and provided by
    State of Florida Geographic Information Office
    Area covered
    Description

    The Florida Department of Revenue’s Property Tax Oversight(PTO) program collects parcel level Geographic Information System (GIS) data files every April from all of Florida’s 67 county property appraisers’ offices. This GIS data was exported from these file submissions in August 2025. The GIS parcel polygon features have been joined with thereal property roll (Name – Address – Legal, or NAL)file. No line work was adjusted between county boundaries.The polygon data set represents the information property appraisers gathered from the legal description on deeds, lot layout of recorded plats, declaration of condominium documents, recorded and unrecorded surveys.Individual parcel data is updated continually by each county property appraiser as needed. The GIS linework and related attributions for the statewide parcel map are updated annually by the Department every August. The dataset extends countywide and is attribute by Federal Information Processing Standards (FIPS) code.DOR reference with FIPS county codes and attribution definitions - https://fgio.maps.arcgis.com/home/item.html?id=55e830fd6c8948baae1601fbfc33a3b2If you discover the inadvertent release of a confidential record exempt from disclosure pursuant to Chapter 119, Florida Statutes, public records laws, immediately notify the Department of Revenue at 850-717-6570 and your local Florida Property Appraisers’ Office. Please contact the county property appraiser with any parcel specific questions: Florida Property Appraisers’ Offices:Alachua County Property Appraiser – https://www.acpafl.org/Baker County Property Appraiser – https://www.bakerpa.com/Bay County Property Appraiser – https://baypa.net/Bradford County Property Appraiser – https://www.bradfordappraiser.com/Brevard County Property Appraiser – https://www.bcpao.us/Broward County Property Appraiser – https://bcpa.net/Calhoun County Property Appraiser – https://calhounpa.net/Charlotte County Property Appraiser – https://www.ccappraiser.com/Citrus County Property Appraiser – https://www.citruspa.org/Clay County Property Appraiser – https://ccpao.com/Collier County Property Appraiser – https://www.collierappraiser.com/Columbia County Property Appraiser – https://columbia.floridapa.com/DeSoto County Property Appraiser – https://www.desotopa.com/Dixie County Property Appraiser – https://www.qpublic.net/fl/dixie/Duval County Property Appraiser – https://www.coj.net/departments/property-appraiser.aspxEscambia County Property Appraiser – https://www.escpa.org/Flagler County Property Appraiser – https://flaglerpa.com/Franklin County Property Appraiser – https://franklincountypa.net/Gadsden County Property Appraiser – https://gadsdenpa.com/Gilchrist County Property Appraiser – https://www.qpublic.net/fl/gilchrist/Glades County Property Appraiser – https://qpublic.net/fl/glades/Gulf County Property Appraiser – https://gulfpa.com/Hamilton County Property Appraiser – https://hamiltonpa.com/Hardee County Property Appraiser – https://hardeepa.com/Hendry County Property Appraiser – https://hendryprop.com/Hernando County Property Appraiser – https://hernandocountypa-florida.us/Highlands County Property Appraiser – https://www.hcpao.org/Hillsborough County Property Appraiser – https://www.hcpafl.org/Holmes County Property Appraiser – https://www.qpublic.net/fl/holmes/Indian River County Property Appraiser – https://www.ircpa.org/Jackson County Property Appraiser – https://www.qpublic.net/fl/jackson/Jefferson County Property Appraiser – https://jeffersonpa.net/Lafayette County Property Appraiser – https://www.lafayettepa.com/Lake County Property Appraiser – https://www.lakecopropappr.com/Lee County Property Appraiser – https://www.leepa.org/Leon County Property Appraiser – https://www.leonpa.gov/Levy County Property Appraiser – https://www.qpublic.net/fl/levy/Liberty County Property Appraiser – https://libertypa.org/Madison County Property Appraiser – https://madisonpa.com/Manatee County Property Appraiser – https://www.manateepao.gov/Marion County Property Appraiser – https://www.pa.marion.fl.us/Martin County Property Appraiser – https://www.pa.martin.fl.us/Miami-Dade County Property Appraiser – https://www.miamidade.gov/pa/Monroe County Property Appraiser – https://mcpafl.org/Nassau County Property Appraiser – https://ncpafl.com/Okaloosa County Property Appraiser – https://okaloosapa.com/Okeechobee County Property Appraiser – https://www.okeechobeepa.com/Orange County Property Appraiser – https://ocpaweb.ocpafl.org/Osceola County Property Appraiser – https://www.property-appraiser.org/Palm Beach County Property Appraiser – https://www.pbcgov.org/papa/index.htmPasco County Property Appraiser – https://pascopa.com/Pinellas County Property Appraiser – https://www.pcpao.org/Polk County Property Appraiser – https://www.polkpa.org/Putnam County Property Appraiser – https://pa.putnam-fl.com/Santa Rosa County Property Appraiser – https://srcpa.gov/Sarasota County Property Appraiser – https://www.sc-pa.com/Seminole County Property Appraiser – https://www.scpafl.org/St. Johns County Property Appraiser – https://www.sjcpa.gov/St. Lucie County Property Appraiser – https://www.paslc.gov/Sumter County Property Appraiser – https://www.sumterpa.com/Suwannee County Property Appraiser – https://suwannee.floridapa.com/Taylor County Property Appraiser – https://qpublic.net/fl/taylor/Union County Property Appraiser – https://union.floridapa.com/Volusia County Property Appraiser – https://vcpa.vcgov.org/Wakulla County Property Appraiser – https://mywakullapa.com/Walton County Property Appraiser – https://waltonpa.com/Washington County Property Appraiser – https://www.qpublic.net/fl/washington/Florida Department of Revenue Property Tax Oversight https://floridarevenue.com/property/Pages/Home.aspx

  10. a

    County Milepost

    • madison-county-gis-data-download-madcoengineer.hub.arcgis.com
    Updated Feb 15, 2024
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    veades (2024). County Milepost [Dataset]. https://madison-county-gis-data-download-madcoengineer.hub.arcgis.com/datasets/0ecbdd35df1643fd99fbf7a1e54b7ddc
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    Dataset updated
    Feb 15, 2024
    Dataset authored and provided by
    veades
    Area covered
    Description

    County milepost values located along routes. Update frequency: Annual.

  11. n

    Geologic map of the Ennis 30' X 60' quadrangle, Madison and Gallatin...

    • cmr.earthdata.nasa.gov
    • access.earthdata.nasa.gov
    Updated Apr 21, 2017
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    (2017). Geologic map of the Ennis 30' X 60' quadrangle, Madison and Gallatin Counties, Montana, and Park County, Wyoming [Dataset]. https://cmr.earthdata.nasa.gov/search/concepts/C2231553215-CEOS_EXTRA.html
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    Dataset updated
    Apr 21, 2017
    Time period covered
    Jan 1, 2000 - Dec 31, 2000
    Area covered
    Description

    This map forms part of the Montana State Geological Map.

    The Ennis 1:100,000 quadrangle lies within both the Laramide (Late Cretaceous to early Tertiary) foreland province of southwestern Montana and the northeastern margin of the middle to late Tertiary Basin and Range province.

    The oldest rocks in the quadrangle are Archean high-grade gneiss, and granitic to ultramafic intrusive rocks that are as old as about 3.0 Ga. The gneiss includes a supracrustal assemblage of quartz-feldspar gneiss, amphibolite, quartzite, and biotite schist and gneiss. The basement rocks are overlain by a platform sequence of sedimentary rocks as old as Cambrian Flathead Quartzite and as young as Upper Cretaceous Livingston Group sandstones, shales, and volcanic rocks.

    The Archean crystalline rocks crop out in the cores of large basement uplifts, most notably the "Madison-Gravelly arch" that includes parts of the present Tobacco Root Mountains and the Gravelly, Madison, and Gallatin Ranges. These basement uplifts or blocks were thrust westward during the Laramide orogeny over rocks as young as Upper Cretaceous. The thrusts are now exposed in the quadrangle along the western flanks of the Gravelly and Madison Ranges (the Greenhorn thrust and the Hilgard fault system, respectively). Simultaneous with the west-directed thrusting, northwest-striking, northeast-side-up reverse faults formed a parallel set across southwestern Montana; the largest of these is the Spanish Peaks fault, which cuts prominently across the Ennis quadrangle.

    Beginning in late Eocene time, extensive volcanism of the Absorka Volcanic Supergroup covered large parts of the area; large remnants of the volcanic field remain in the eastern part of the quadrangle. The volcanism was concurrent with, and followed by, middle Tertiary extension. During this time, the axial zone of the "Madison-Gravelly arch," a large Laramide uplift, collapsed, forming the Madison Valley, structurally a complex down-to-the-east half graben. Basin deposits as thick as 4,500 m filled the graben.

    Pleistocene glaciers sculpted the high peaks of the mountain ranges and formed the present rugged topography.

    Compilation scale is 1:100,000. Geology mapped between 1988 and 1995. Compilation completed 1997. Review and revision completed 1997. Archive files prepared 1998-02.

  12. a

    T2005 Comperhensive Plan

    • madison-county-gis-data-download-madcoengineer.hub.arcgis.com
    Updated Feb 15, 2024
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    veades (2024). T2005 Comperhensive Plan [Dataset]. https://madison-county-gis-data-download-madcoengineer.hub.arcgis.com/datasets/0ecbdd35df1643fd99fbf7a1e54b7ddc
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    Dataset updated
    Feb 15, 2024
    Dataset authored and provided by
    veades
    Area covered
    Description

    This data set is the Madison County Comprehensive Plan for 2005. Madison County Comprehensive Planning Map Series This map represents the Land Use Map for Madison County's Comprehensive Plan as approved by the Madison County Board of Commissioners. NOTE: This map was developed for general land use planning purposes. The user of this map must assume responsibility for determining its suitability for other purposes. Last updated in 2005

  13. a

    General Watersheds - Madison County

    • gis-odnr.opendata.arcgis.com
    Updated Nov 6, 2024
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    Ohio Department of Natural Resources (2024). General Watersheds - Madison County [Dataset]. https://gis-odnr.opendata.arcgis.com/datasets/general-watersheds-madison-county
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    Dataset updated
    Nov 6, 2024
    Dataset authored and provided by
    Ohio Department of Natural Resources
    License

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

    Description

    Download .zipThis theme shows general watersheds for Madison County, as digitized from US Geological survey quadrangle maps annotated by the ODNR, Division of Water. This coverage was digitized from paper maps at a scale of 1:24000. Digitizing utilized run-length encoding techniques, sampling along horizontal lines which represented the midline of cells with a height of 250 feet. The measurement increment along these lines was one decafoot (10 feet) Additional details of the digitizing process are available upon request.

    The coverage was subsequently converted to Arc/Info vector format.

    Original coverage data was converted from the .e00 file to a more standard ESRI shapefile(s) in November 2014.Contact Information:GIS Support, ODNR GIS ServicesOhio Department of Natural ResourcesReal Estate & Land ManagementReal Estate and Lands Management2045 Morse Rd, Bldg I-2Columbus, OH, 43229Telephone: 614-265-6462Email: gis.support@dnr.ohio.gov Data Update Frequency: As Needed

  14. a

    2022 Somerford Township Comprehensive Plan

    • madison-county-gis-data-download-madcoengineer.hub.arcgis.com
    Updated Mar 26, 2024
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    veades (2024). 2022 Somerford Township Comprehensive Plan [Dataset]. https://madison-county-gis-data-download-madcoengineer.hub.arcgis.com/datasets/af70ea9ab5624525a0e92465a5ca34e2
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    Dataset updated
    Mar 26, 2024
    Dataset authored and provided by
    veades
    Area covered
    Description

    This data set is the Madison County Comprehensive Plan for 2010. Madison County Comprehensive Planning Map Series This map represents the Land Use Map for Madison County's Comprehensive Plan as approved by the Madison County Board of Commissioners. NOTE: This map was developed for general land use planning purposes. The user of this map must assume responsibility for determining its suitability for other purposes. Last updated in 2014

  15. a

    Detailed Watersheds - Madison County

    • gis-odnr.opendata.arcgis.com
    Updated Nov 6, 2024
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    Ohio Department of Natural Resources (2024). Detailed Watersheds - Madison County [Dataset]. https://gis-odnr.opendata.arcgis.com/documents/ab784045339e49388ac7afbb60cfac27
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    Dataset updated
    Nov 6, 2024
    Dataset authored and provided by
    Ohio Department of Natural Resources
    License

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

    Description

    Download .zipThis theme shows detailed watersheds for Madison County, as digitized in vector mode from mylar copies of maps maintained by the U.S. Geological Survey, Water Resources Division.

    Original coverage data was converted from the .e00 file to a more standard ESRI shapefile(s) in November 2014.Contact Information:GIS Support, ODNR GIS ServicesOhio Department of Natural ResourcesReal Estate & Land ManagementReal Estate and Lands Management2045 Morse Rd, Bldg I-2Columbus, OH, 43229Telephone: 614-265-6462Email: gis.support@dnr.ohio.gov Data Update Frequency: As Needed

  16. Data from: North Temperate Lakes LTER Dane County Major Roads

    • search-demo.dataone.org
    • dataone.org
    Updated Nov 23, 2022
    + more versions
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    John Magnuson; Stephen Carpenter; Emily Stanley (2022). North Temperate Lakes LTER Dane County Major Roads [Dataset]. https://search-demo.dataone.org/view/https%3A%2F%2Fpasta.lternet.edu%2Fpackage%2Fmetadata%2Feml%2Fknb-lter-ntl%2F159%2F13
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    Dataset updated
    Nov 23, 2022
    Dataset provided by
    Long Term Ecological Research Networkhttp://www.lternet.edu/
    Authors
    John Magnuson; Stephen Carpenter; Emily Stanley
    Time period covered
    Jan 1, 2004
    Area covered
    Variables measured
    FID, CFCC, Shape, FNODE_, LENGTH, LPOLY_, RECNUM, RPOLY_, SOURCE, TNODE_, and 2 more
    Description

    Major roads in Dane County, Wisconsin. Visit https://dataone.org/datasets/https%3A%2F%2Fpasta.lternet.edu%2Fpackage%2Fmetadata%2Feml%2Fknb-lter-ntl%2F159%2F13 for complete metadata about this dataset.

  17. n

    Digital geologic map of the Coeur d'Alene 1:100,000 quadrangle, Idaho and...

    • access.earthdata.nasa.gov
    Updated Apr 21, 2017
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    (2017). Digital geologic map of the Coeur d'Alene 1:100,000 quadrangle, Idaho and Montana [Dataset]. https://access.earthdata.nasa.gov/collections/C2231550217-CEOS_EXTRA
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    Dataset updated
    Apr 21, 2017
    Time period covered
    Oct 5, 2000
    Area covered
    Description

    This data set was developed to provide geologic map GIS of the Coeur d'Alene 1:100,000 quadrangle for use in future spatial analysis by a variety of users. These data can be printed in a variety of ways to display various geologic features or used for digital analysis and modeling. This database is not meant to be used or displayed at any scale larger than 1:100,000 (e.g. 1:62,500 or 1:24,000).

    The digital geologic map of the Coeur d'Alene 1:100,000 quadrangle was compiled from preliminary digital datasets [Athol, Coeur d'Alene, Kellogg, Kingston, Lakeview, Lane, and Spirit Lake 15-minute quadrangles] prepared by the Idaho Geological Survey from A. B. Griggs (unpublished field maps), supplemented by Griggs (1973) and by digital data from Bookstrom and others (1999) and Derkey and others (1996). The digital geologic map database can be queried in many ways to produce a variety of derivative geologic maps.

    This GIS consists of two major Arc/Info data sets: one line and polygon file (cda100k) containing geologic contacts and structures (lines) and geologic map rock units (polygons), and one point file (cda100kp) containing structural data.

  18. a

    Ditch Boundaries - Madison County

    • gis-odnr.opendata.arcgis.com
    Updated Nov 6, 2024
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    Ohio Department of Natural Resources (2024). Ditch Boundaries - Madison County [Dataset]. https://gis-odnr.opendata.arcgis.com/documents/cf71fe2df1d14a0c9d636a61a693ba23
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    Dataset updated
    Nov 6, 2024
    Dataset authored and provided by
    Ohio Department of Natural Resources
    License

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

    Description

    Download .zipThis theme shows drainage areas for ditches and streams maintained by the Madison County Engineer's Office. It was digitized from annotated US Geological Survey Quadrangle maps provided by the Madison County Engineer.

    This coverage was digitized from paper maps at a scale of 1:24000. Digitizing utilized run-length encoding techniques sampling along horizontal lines which represented the midline of cells with a height of 250 feet. The measurement increment along these lines was one decafoot (10 feet). Additional details of the digitizing process are available upon request.

    The coverage was subsequently converted to an Arc/Info format.

    Original coverage data was converted from the .e00 file to a more standard ESRI shapefile(s) in November 2014.Contact Information:GIS Support, ODNR GIS ServicesOhio Department of Natural ResourcesReal Estate & Land ManagementReal Estate and Lands Management2045 Morse Rd, Bldg I-2Columbus, OH, 43229Telephone: 614-265-6462Email: gis.support@dnr.ohio.gov Data Update Frequency: As Needed

  19. Data from: North Temperate Lakes LTER Dane County, Wisconsin Census...

    • search.dataone.org
    • portal.edirepository.org
    Updated Aug 26, 2013
    + more versions
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    Center for Limnology; NTL LTER (2013). North Temperate Lakes LTER Dane County, Wisconsin Census 1990-2000 [Dataset]. https://search.dataone.org/view/knb-lter-ntl.177.16
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    Dataset updated
    Aug 26, 2013
    Dataset provided by
    Long Term Ecological Research Networkhttp://www.lternet.edu/
    Authors
    Center for Limnology; NTL LTER
    Time period covered
    Jan 1, 1990
    Area covered
    Description

    This data set contains population and housing data from the 1990 census and the 2000 census for Dane County, Wisconsin.

  20. n

    Data from: Digital Geologic Map of the Butler Peak 7.5' Quadrangle, San...

    • access.earthdata.nasa.gov
    • cmr.earthdata.nasa.gov
    Updated Apr 21, 2017
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    (2017). Digital Geologic Map of the Butler Peak 7.5' Quadrangle, San Bernardino County, California [Dataset]. https://access.earthdata.nasa.gov/collections/C2231549734-CEOS_EXTRA
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    Dataset updated
    Apr 21, 2017
    Time period covered
    Jan 1, 2000 - Dec 31, 2000
    Area covered
    Description

    The data set for the Butler Peak quadrangle has been prepared by the Southern California Areal Mapping Project (SCAMP), a cooperative project sponsored jointly by the U.S. Geological Survey and the California Division of Mines and Geology, as part of an ongoing effort to utilize a Geographical Information System (GIS) format to create a regional digital geologic database for southern California. This regional database is being developed as a contribution to the National Geologic Map Data Base of the National Cooperative Geologic Mapping Program of the USGS. Development of the data set for the Butler Peak quadrangle has also been supported by the U.S. Forest Service, San Bernardino National Forest.

    The digital geologic map database for the Butler Peak quadrangle has been created as a general-purpose data set that is applicable to other land-related investigations in the earth and biological sciences. For example, the U.S. Forest Service, San Bernardino National Forest, is using the database as part of a study of an endangered plant species that shows preference for particular rock type environments. The Butler Peak database is not suitable for site-specific geologic evaluations at scales greater than 1:24,000 (1 in = 2,000 ft).

    This data set maps and describes the geology of the Butler Peak 7.5' quadrangle, San Bernardino County, California. Created using Environmental Systems Research Institute's ARC/INFO software, the data base consists of the following items: (1) a map coverage showing geologic contacts and units,(2) a scanned topographic base at a scale of 1:24,000, and (3) attribute tables for geologic units (polygons), contacts (arcs), and site-specific data (points). In addition, the data set includes the following graphic and text products: (1) A PostScript graphic plot-file containing the geologic map on a 1:24,000 topographic base accompanied by a Description of Map Units (DMU), a Correlation of Map Units (CMU), and a key to point and line symbols; (2) PDF files of the DMU and CMU, and of this Readme, and (3) this metadata file.

    The geologic map data base contains original U.S. Geological Survey data generated by detailed field observation and by interpretation of aerial photographs. The map was created by transferring lines from the aerial photographs to a 1:24,000 mylar orthophoto-quadrangle and then to a base-stable topographic map. This map was then scribed, and a .007 mil, right-reading, black line clear film made by contact photographic processes.The black line was scanned and auto-vectorized by Optronics Specialty Company, Northridge, CA. The non-attributed scan was imported into ARC/INFO, where the database was built. Within the database, geologic contacts are represented as lines (arcs), geologic units as polygons, and site-specific data as points. Polygon, arc, and point attribute tables (.pat, .aat, and .pat, respectively) uniquely identify each geologic datum and link it to other tables (.rel) that provide more detailed geologic information.

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veades (2024). subdivisions [Dataset]. https://madison-county-gis-data-download-madcoengineer.hub.arcgis.com/datasets/4fa4cf0b0c6948729858ca1924bbed1d

subdivisions

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Dataset updated
Mar 26, 2024
Dataset authored and provided by
veades
Area covered
Description

Madison County Jurisdictions. Corporations and Townships

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