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Coal Quality Samples from the Northern Rocky Mountains and Great Plains Region
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... -
Coal Quality Samples from the Northern Rocky Mountains and Great Plains Region
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... -
Coal Quality Samples from the Northern Rocky Mountains and Great Plains Region
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...