Search datasets
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This layer contains detailed outlines of Maryland counties. The Maryland land county boundaries were built using political county boundaries and the National Hydrology Data (NHD). Land boundaries...
Search relevance: 104.63 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:46 PM -
WARNING: This is a pre-release dataset and its fields names and data structures are subject to change. It should be considered pre-release until the end of March 2025. The schema changed in...
Search relevance: 95.43 | Views last month: 7 | Catalog Last Checked: July 28, 2025 at 08:06 PM -
This layer contains detailed outlines of Maryland counties. The Maryland land county boundaries were built using political county boundaries and the National Hydrology Data (NHD). Land boundaries...
Search relevance: 90.92 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:48 PM -
KML file of the boundaries of Cook County Forest Preserve facilities. To view or use these files, special GIS software such as Google Earth is required
Search relevance: 90.87 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:27 PM -
WARNING: This is a pre-release dataset and its fields names and data structures are subject to change. It should be considered pre-release until the end of March 2025. The schema changed in...
Search relevance: 90.72 | Views last month: 1 | Catalog Last Checked: July 28, 2025 at 08:06 PM -
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. The Maryland county boundaries were built using the USGS Topo Quads - county boundaries from the county...
Search relevance: 90.41 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 06:48 PM -
Polygon features which represent the political boundary of each county in the State of Maryland. The Maryland Political County Boundaries were developed using USGS Topo Quads, boundaries...
Search relevance: 89.43 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:46 PM -
Polygon features which represent the political boundary of each county in the State of Maryland. The Maryland Political County Boundaries were developed using USGS Topo Quads, boundaries...
Search relevance: 88.27 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:51 PM -
Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on US County Boundaries.
Search relevance: 85.88 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 05:46 PM -
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. This layer contains detailed outlines of Maryland counties. The Maryland land county boundaries were built...
Search relevance: 85.06 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:49 PM -
This polygon shapefile provides county or county-equivalent boundaries for the conterminous United States and was created specifically for use with the data tables published as Selected Items from...
Search relevance: 82.01 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:31 PM -
This dataset is no longer maintained. For current geographic data about Cook County Forest Preserves, we recommend this site. Forest Preserve District of Cook County boundaries. To view or use...
Search relevance: 77.90 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:02 PM -
COB_POLY: This theme shows the jurisdictional and cartographic county areas for Oregon and Washington. The POCA layer is an integrated set of geographic- referencing data covering the state of...
Search relevance: 76.21 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 06:41 PM -
This dataset is no longer maintained. For current geographic data about Cook County Forest Preserves, we recommend this site. KML file of Forest Preserve District of Cook County boundaries. To...
Search relevance: 75.81 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 06:01 PM -
Forest Preserve District of Cook County boundaries. To view or use these shapefiles, compression software and special GIS software, such as ESRI ArcGIS, is required.
Search relevance: 74.13 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:28 PM -
The City of Tempe ZIP Codes feature class is from Maricopa County GIS Open Data and is intended to show the USPS ZIP Code boundaries within Tempe, Arizona.
Search relevance: 69.50 | Views last month: 19 | Catalog Last Checked: November 04, 2026 at 07:22 PM -
COB_POLY: This theme shows the jurisdictional and cartographic county areas for Oregon and Washington. The POCA layer is an integrated set of geographic- referencing data covering the state of...
Search relevance: 68.66 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 06:22 PM -
It includes the following counties: Bullitt County, Hardin County, Jefferson County, Clark County, Oldham County, Henry County, Meade County, Harrison County, Shelby County, Spencer County,...
Search relevance: 67.90 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 07:12 PM -
This feature class includes States, Counties or Boroughs, Congressional Districts, Alaska Recording Districts, County Subdivisions, and Places boundaries that are derived from the latest official...
Search relevance: 64.23 | Views last month: 3 | Catalog Last Checked: October 09, 2026 at 04:38 PM -
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Polygon layer contains generalized outlines of Maryland counties.Feature Service...
Search relevance: 57.44 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 06:48 PM
