Search datasets
-
The Gap Analysis Project (GAP) Analytical Database represents a synthesis of three core datasets for the conterminous U.S. Specifically 1) the GAP/LANDFIRE National Terrestrial Ecosystems_2011; 2)...
Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 03:03 AM -
The GAP/LANDFIRE National Terrestrial Ecosystems represents a highly thematically detailed land cover map of the U.S. The GAP/LANDFIRE National Terrestrial Ecosystems dataset is produced by the...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 06:00 AM -
This EnviroAtlas web service contains layers depicting NHD Version 2.1 Plus flowlines and waterbodies for the conterminous United States. EnviroAtlas (https://www.epa.gov/enviroatlas) allows the...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:25 AM -
This EnviroAtlas web service contains layers depicting hydrologic unit boundary layers and labels for the Subregion level (4-digit HUCs), Subbasin level (8-digit HUCs), and Subwatershed level...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 03, 2026 at 04:25 AM