663 datasets found

This shapefile contains a representation of the overburden above the Wyodak-Anderson coal zone. This theme was created specifically for the National Coal Resource Assessment in...

The USGS assessment and methodology reports cited within this software release require extensive processing using computational methods and modeling. The most demanding aspects...

This is a shapefile and the final unioned polygon coverage used to calculate coal resources of the Fruitland Formation, San Juan Basin coal assessment area, Colorado and New...

This ArcView shape file contains a polygon representing the extent of the Raton Coal Basin boundary. This theme was created specifically for the National Coal Resources...

This is a polygon coverage of isopachs of the combined thickness of the Calico and A-sequences in the Kaiparowits Plateau study area. The outside polygon defines the base of the...

The structure contours were created using biostratigraphic data in the Paleo-Data, Inc., Tenroc Regional Geologic Database. The depths of the microfossil locations were...

This file depicts the geologic faults contained within the Lower White River coal field.

The lines shown are those used by the USGS in developing the framework geology and models used in assessing the oil and gas resources of the Gulf Coast Region. The data set is...

This shapefile contains a polygon representation of the USGS-BLM Coal Bed Methane Project Area, new environmental impact statement area in the Powder River Basin. This theme was...

This ArcView shapefile contains a polygon representation of the net coal thickness of the Knobloch coal resource unit, Ashland coalfield, Montana. This theme was created...

This ArcView shapefile contains a polygon representation of the study extent of the BLM coal bed methane Project area, old environmental impact statement area in the Powder...

The thickness contours were created using biostratigraphic data in the Paleo-Data, Inc., Tenroc Regional Geologic Database. The depths of the microfossil locations were...

Standard Reference Material 2689 Coal Fly Ash - This Standard Reference Material (SRM) is intended for use in the evaluation of analytical methods used for the classification of...

These are shapefiles and ARC/INFO polygon coverages showing the isopachs of total net coal in beds greater than or equal to 1 ft thick for the Cameo/Fairfield coal group and for...

This ArcView shapefile contains a polygon representation of the Jim Bridger Coal Zone overburden. This coal zone is a part of the National Coal Resources Assessment of the...

This ArcView shapefile contains a polygon representation of Green River Basin land use/land cover. This shapefile is a part of the National Coal Resource Assessment of the...

This ArcView shapefile contains a polygon representing the extent of the Bull Mountain coal basin boundary. This theme was created specifically for the National Coal Resources...

This ArcView shapefile contains a polygon representation of numerous themes associated with the Wyodak-Anderson coal zone in the Sheridan coalfield. The purpose of this theme is...

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...

This shapefile contains a polygon representation of the USGS-BLM Coal Bed Methane Project Area, new environmental impact statement area in the Powder River Basin. This theme was...