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Quality characterization of Cretaceous coal from the Colorado Plateau coal as...
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... -
Upper Freeport Coal Bed County Statistics (Chemistry) in Pennsylvania, Ohio, ...
This dataset is a polygon coverage of counties limited to the extent of the Upper Freeport coal bed resource areas and attributed with statistics on these coal quality... -
Fire Clay Coal Zone Point Data (Chemistry) in Kentucky, Virginia and West Vir...
This dataset (located by latitude and longitude) is a subset of the geochemical dataset found in Chap. F, Appendix 7, Disc 1, and used in this study of the Fire Clay coal zone.... -
Upper Freeport Coal Bed County Statistics (Chemistry) in Pennsylvania, Ohio, ...
This dataset is a polygon coverage of counties limited to the extent of the Upper Freeport coal bed resource areas and attributed with statistics on these coal quality... -
Lower Kittanning Coal Bed Point Data (Chemistry) in Pennsylvania, Ohio, West ...
This dataset (located by latitude and longitude) is a subset of the geochemical dataset found in Chap. E, Appendix 2, Disc 1, and used in this study of the Lower Kittanning coal...