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These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the regional cartographic staff at...
Search relevance: 1.00 | Views last month: 153 | Catalog Last Checked: November 11, 2026 at 03:01 AM -
The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board on Geographic Names, a Federal...
Search relevance: 1.00 | Views last month: 93 | Catalog Last Checked: September 10, 2026 at 09:50 PM -
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States derived from 300x300 meter MEdium...
Search relevance: 1.00 | Views last month: 89 | Catalog Last Checked: August 03, 2026 at 04:16 AM -
This dataset, termed "GAGES II", an acronym for Geospatial Attributes of Gages for Evaluating Streamflow, version II, provides geospatial data and classifications for 9,322 stream gages...
Search relevance: 1.00 | Views last month: 70 | Catalog Last Checked: November 11, 2026 at 07:57 AM -
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 64 | Catalog Last Checked: November 11, 2026 at 07:58 AM -
When a species is proposed for listing as endangered or threatened under the Endangered Species Act, the U.S. Fish and Wildlife Service must consider whether there are areas of habitat believed to...
Search relevance: 1.00 | Views last month: 58 | Catalog Last Checked: September 10, 2026 at 06:04 PM -
The Walkability Index dataset characterizes every Census 2019 block group in the U.S. based on its relative walkability. Walkability depends upon characteristics of the built environment that...
Search relevance: 1.00 | Views last month: 58 | Catalog Last Checked: August 03, 2026 at 04:49 AM -
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to the Toxic Release Inventory...
Search relevance: 1.00 | Views last month: 52 | Catalog Last Checked: November 10, 2026 at 02:39 AM -
Version 4.0 of this data release provides descriptions of more than 200 mineral districts, mines, and mineral occurrences (deposits, prospects, and showings) within the United States that are...
Search relevance: 1.00 | Views last month: 50 | Catalog Last Checked: September 10, 2026 at 10:42 PM -
Summaries of Consumption-Based Emission Inventory (CBEI) results for states outside the Northeast, in other words states not covered in EPA's report on CBEIs the Northeastern States...
Search relevance: 1.00 | Views last month: 46 | Catalog Last Checked: September 10, 2026 at 07:01 PM -
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....
Search relevance: 1.00 | Views last month: 44 | Catalog Last Checked: November 11, 2026 at 02:39 AM -
Elk (Cervus elpahus canadensis) within the northern section of the Bighorn Mountains display altitudinal migration. In the spring, they migrate from the eastern foothills up into the mountains,...
Search relevance: 1.00 | Views last month: 44 | Catalog Last Checked: September 10, 2026 at 07:53 PM -
The Digital Geologic-GIS Map of Yellowstone National Park and Vicinity, Wyoming, Montana, and Idaho is composed of GIS data layers and GIS tables, and is available in the following GRI-supported...
Search relevance: 1.00 | Views last month: 43 | Catalog Last Checked: November 11, 2026 at 03:09 AM -
This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as polygons. The map layer was developed...
Search relevance: 1.00 | Views last month: 42 | Catalog Last Checked: November 11, 2026 at 07:58 AM -
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the Virgin Islands, Guam, American...
Search relevance: 1.00 | Views last month: 40 | Catalog Last Checked: November 11, 2026 at 08:00 AM -
This dataset represents the GIS Version of the Public Land Survey System including both rectangular and non-rectangular surveys. The primary source for the data is cadastral survey records housed...
Search relevance: 1.00 | Views last month: 38 | Catalog Last Checked: September 10, 2026 at 06:23 PM -
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to the Risk Management Plan...
Search relevance: 1.00 | Views last month: 35 | Catalog Last Checked: November 10, 2026 at 02:39 AM -
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to the Risk Management Plan...
Search relevance: 1.00 | Views last month: 34 | Catalog Last Checked: November 10, 2026 at 02:39 AM -
The main Trail Survey took place during the years of 1997-2000. Differentially corrected GPS (Global Positioning System) data were collected primarily on foot for all existing maintained trails...
Search relevance: 1.00 | Views last month: 34 | Catalog Last Checked: November 11, 2026 at 03:01 AM -
This web service depicts nearly 17,000 neighborhood boundaries in over 650 U.S. cities. Zillow created the neighborhood boundaries and is sharing them with the public under a Creative Commons...
Search relevance: 1.00 | Views last month: 32 | Catalog Last Checked: August 03, 2026 at 04:45 AM
