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Found 1238 datasets matching filters. (clear all filters)

  • #1 State

    This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This layer contains the boundaries and IDs of the Maryland tax maps produced by Maryland Department of...

    Search relevance: 1.00 | Views last month: 79 | Catalog Last Checked: August 02, 2025 at 04:49 AM
  • #2 Federal

    The National Geologic Map Database (NGMDB) is a Congressionally mandated national archive of geoscience maps, reports, and stratigraphic information. The Geologic Mapping Act of 1992 and its...

    Search relevance: 1.00 | Views last month: 69 | Catalog Last Checked: May 05, 2026 at 09:55 PM
  • #3 State

    The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...

    Search relevance: 1.00 | Views last month: 38 | Catalog Last Checked: May 05, 2026 at 07:55 PM
  • #4 State

    The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...

    Search relevance: 1.00 | Views last month: 38 | Catalog Last Checked: May 05, 2026 at 07:56 PM
  • #5 State

    The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...

    Search relevance: 1.00 | Views last month: 37 | Catalog Last Checked: May 05, 2026 at 07:56 PM
  • #6 Federal

    The USDA National Agricultural Statistics Service (NASS) Cropland Data Layer (CDL) is an annual raster, geo-referenced, crop-specific land cover data layer produced using satellite imagery and...

    Search relevance: 1.00 | Views last month: 30 | Catalog Last Checked: June 12, 2026 at 11:21 PM
  • #7 State

    This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the conterminous United States. These data delineate the areal extent of wetlands and...

    Search relevance: 1.00 | Views last month: 23 | Catalog Last Checked: July 07, 2026 at 08:09 PM
  • #8 State

    This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. **Please Note: Due to the extensive size of the parcel points file - download is recommended from the...

    Search relevance: 1.00 | Views last month: 22 | Catalog Last Checked: August 02, 2025 at 04:06 AM
  • #9 State

    Maryland Priority Funding Areas Priority Funding Areas are existing communities and places where local governments want State investment to support future growth. The 1997 Priority Funding Areas...

    Search relevance: 1.00 | Views last month: 20 | Catalog Last Checked: May 14, 2026 at 11:57 PM
  • #10 Federal

    The Census of Agriculture provides a detailed picture every five years of U.S. farms and ranches and the people who operate them. Conducted by USDA’s National Agricultural Statistics Service, the...

    Search relevance: 1.00 | Views last month: 19 | Catalog Last Checked: May 05, 2026 at 11:52 PM
  • #11 State

    The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...

    Search relevance: 1.00 | Views last month: 17 | Catalog Last Checked: May 05, 2026 at 07:55 PM
  • #12 State

    Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...

    Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 07:55 PM
  • #13 State

    The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...

    Search relevance: 1.00 | Views last month: 15 | Catalog Last Checked: May 05, 2026 at 07:54 PM
  • #14 State

    Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...

    Search relevance: 1.00 | Views last month: 14 | Catalog Last Checked: May 05, 2026 at 07:55 PM
  • #15 State

    The TIGER/Line Files include both incorporated places (legal entities) and census designated places or CDPs (statistical entities). An incorporated place is established to provide governmental...

    Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: July 07, 2026 at 08:09 PM
  • #16 State

    Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...

    Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 07:54 PM
  • #17 State

    The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...

    Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: May 05, 2026 at 07:54 PM
  • #18 State

    Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...

    Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:55 PM
  • #19 State

    The USGS 3D Hydrography Program (3DHP) ArcGIS REST service (3DHP_all) from The National Map is the first of several data services that will be delivered by the 3D Hydrography Program. The...

    Search relevance: 1.00 | Views last month: 10 | Catalog Last Checked: May 05, 2026 at 07:55 PM
  • #20 State

    Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...

    Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: May 05, 2026 at 07:54 PM

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