Found 14 datasets matching filters.
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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: 13 | Published on: 2026-03-03 -
These data represent the extent of the lower Fort Union aquifer in the Powder River and Williston structural basins.
Search relevance: 1.00 | Views last month: 3 | Published on: 2026-04-03 -
These data represent the extent of the Upper Hell Creek hydrogeologic unit in the Powder River and Williston structural basins.
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-07 -
This child item contains geology and hydrogeology data used in the hydrogeologic characterization of the Lake Superior watershed and a shapefile of water budget zones for reporting water budget...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-03 -
This data set represents the area of bedrock geology types in square meters compiled for every catchment of NHDPlus for the conterminous United States. The source data set is the "Geology of the...
Search relevance: 1.00 | Views last month: 1 | Published on: 2026-03-07 -
These data represent the extent of the Fox Hills aquifer in the Powder River and Williston structural basins.
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18 -
These data represent the extent of the upper Fort Union aquifer in the Powder River and Williston structural basins.
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18 -
This tabular data set represents the area of bedrock geology types in square meters compiled for every catchment of MRB_E2RF1 catchments for Major River Basins (MRBs, Crawford and others, 2006)....
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-04-03 -
The Digital Bedrock Geologic-GIS Map of Marsh-Billings-Rockefeller National Historical Park and the Town Boundary of Woodstock, Vermont is composed of GIS data layers and GIS tables, and is...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-04 -
These data represent the extent of the Lower Hell Creek aquifer in the Powder River and Williston structural basins.
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-07 -
These data represent the extent of the middle Fort Union hydrogeologic unit in the Powder River and Williston structural basins.
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-07 -
These data represent the extent of the Fox Hills aquifer in the Powder River and Williston structural basins.
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-18 -
This ArcView shapefile contains a polygon representation of the geology in the northern part of the (Montana) Powder River Basin. This theme was created specifically for the National Coal...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03 -
The Edwards and Trinity aquifers are major sources of water in south-central Texas and are both classified as major aquifers by the State of Texas. The population in Hays and Comal Counties is...
Search relevance: 1.00 | Views last month: 0 | Published on: 2026-03-03
