• Organization: Department of the Interior
• Updated: 2020-11-17T00:00:00Z

This data set represents the extent of the Northern Rocky Mountains Intermontane Basins aquifer system in Montana and Idaho.

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-25T00:00:00Z

This ArcView shapefile contains a point representation of coal quality samples. This theme was created specifically for the National Coal Resources Assessment in the Northern Rocky Mountains and...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-07-11T00:00:00Z

Over the past two centuries, persecution and habitat loss caused grizzly bears (Ursus arctos) to decline from a population of approximately 50,000 individuals to only 4 fragmented populations...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2023-05-30T00:00:00Z

A mineral resource assessment was performed by the U.S. Geological Survey (USGS) to assess the potential of undiscovered skarn-hosted tungsten resources in the Northern Rocky Mountain region of...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2024-09-19T00:00:00Z

Kuskokwim airborne magnetic and radiometric geophysical survey, northern Kuskokwim Mountains, Geophysical Report 2023-1, covers parts of the Tanana, Norton Bay, Nulato, Ruby, Kantishna River,...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2020-08-30T00:00:00Z

This dataset is composed of 97 Differenced Normalized Burn Ratio (dNBR) images. Each dNBR represents a rough measure of fire-related vegetation change for wildfires (>400 ha) that occurred in the...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2020-08-30T00:00:00Z

This dataset is composed of 253 Differenced Normalized Burn Ratio (dNBR) images. Each dNBR represents a rough measure of fire-related vegetation change for wildfires (>400 ha) that occurred in...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2022-07-26T00:00:00Z

The dataset includes whole-rock geochemistry and 40Ar-39Ar geochronology for Pleistocene to Oligocene volcanic and intrusive rocks. These data support figures and tables in days 2 and 3 of the...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2025-05-23T00:00:00Z

This data set contains U-Pb isotopic data and ages of zircon and titanite from igneous and metamorphic rocks collected from the western Alaska and northern Aleutian Range of south-central Alaska....

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-24T00:00:00Z

This ArcView shapefile is a polygon representation of the area of the Gillette Coalfield. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-25T00:00:00Z

This ArcView shapefile contains a polygon representation of Native American Tribal boundaries within the Powder River Basin. This theme was created specifically for the National Coal Resource...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-24T00:00:00Z

This ArcView shapefile contains a polygon representation of overburden thickness above the Wyodak-Anderson coal zone in the area of Gillette coalfield, Wyoming. This theme was created...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-25T00:00:00Z

This ArcView shapefile contains a polygon representation of the Sheridan coalfield boundary. This theme was created specifically for the National Coal Resource Assessment in the Northern Rocky...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-24T00:00:00Z

This ArcView shapefile contains a polygon representation of numerous themes for the Gillette Coalfield. These themes are listed in the process steps. The purpose of this shapefile is to allow...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-24T00:00:00Z

This shapefile contains a polygon representation of the Wyodak-Anderson net coal thickness in the Gillette coalfield study area. This theme was created specifically for the National Coal Resource...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-21T00:00:00Z

This ArcView shapefile contains a representation of the boundary of the Ferris coalfield in the Hanna Basin, Wyoming. This theme was created specifically for the National Coal Resource Assessment...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-24T00:00:00Z

This ArcView shapefile contains a representation of the Hanna coalfield boundary in the Hanna Basin, Wyoming. This shapefile was created specifically for the National Coal Resource Assessment in...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-25T00:00:00Z

This shapefile contains a representation of the faults in the Sheridan, Decker, and Colstrip areas of the Powder River Basin, Wyomig and Montana. This theme was created specifically for the...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-25T00:00:00Z

This ArcView shapefile contains a representation of the mine and lease boundaries in the Powder River Basin. This theme was created specifically for the National Coal Resource Assessment in the...

• xml
• xml

• Organization: Department of the Interior
• Updated: 2021-05-24T00:00:00Z

This ArcView shapefile contains a polygon representation of the Hanna and Carbon Basins, Wyoming. This shapefile was created as part of the National Coal resource Assessment in the Northern...

• xml
• xml