663 datasets found

These are shapefiles and ARC/INFO coverages of coal fields and coal-bearing formations in the Colorado Plateau. These GIS layers were created by combining numerous ARC/INFO...

The sand percent contours were produced by the Louisiana Geological Survey and were digitized from Chapter 11, Cenozoic, in The Gulf of Mexico Basin, Volume J, The Geology of...

This ArcView shapefile contains a polygon representation of numerous themes for the Knobloch coal resource assessment unit. These themes are listed in the process steps. Its...

These data represent major fault zones as indicated on Plate 2, Principal structural features, Gulf of Mexico Basin (compiled by T.E. Ewing and R.F. Lopez) in volume J, The...

For each of the four Miocene sequences, polygons representing producing areas within fields were created by constructing a grid of ¼ sq. mi. cells and proximal polygons centered...

This is a shapefile and the final unioned polygon coverage used to calculate coal resources of the lower Blackhawk Formation in the southern Wasatch coal assessment area....

The maximum extent of Cretaceous onlap is generalized from Plate 3, Structure at the base and subcrop below Mesozoic marine section, Gulf of Mexico Basin (compiled by A....

The drilling history documents oil and gas wells in the Middle Miocene sequence as a whole and in 10-year intervals. The wells included in this interval are determined by...

This ArcView shapefile contains a point representation of the trace elements, stratigraphic data, and the proximate analysis samples in the Wyodak-Anderson Coal Zone. This theme...

This is a shapefile and ARC/INFO point coverage of coal geochemistry in the Colorado Plateau. This GIS layer was created from the U.S. Geological Survey's USCHEM database for...

This ArcView shapefile contains a polygon representing the boundary of the Powder River Basin based on a generalized contact of Cretaceous and Tertiary rocks. This theme was...

This is a polygon file of the outcrop and area underlain by the Drip Tank Mb. of the Straight Cliffs Fm. (Upper Cretaceous) east of 112 degrees of longitude in the Kaiparowits...

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

This dataset (located by latitude and longitude) is a subset of the geochemical dataset found in Chap. H, Appendix 2, Disc 1, and used in this study of the Pocahontas No. 3 coal...

This dataset includes polygons that describe the geologic age of surface outcrops of bedrock of the Caribbean region (Anguilla, Antigua and Barbuda, Aruba, Bahamas, Barbados,...

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...

This dataset is a point coverage of attributes on data location, thickness of the Upper Freeport coal bed, and its elevation, in feet. The file is also found as an ASCII...

In 2015, approximately 10 million acres of Federal lands across six western states were proposed for withdrawal from mineral entry by the Bureau of Land Management (BLM) in...

SRM 2683c Bituminous Coal (Nominal Mass Fraction 2 % Sulfur) - This Standard Reference Material (SRM) is intended primarily for use in the evaluation of techniques employed in...

This is a line coverage of the geologic structural features within the Kaiparowits Plateau. Structural features include synclines, anticlines, folds and faults; and are shown in...