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Federal
Knobloch clinker, Southern Montana, 1999 National Coal Resource Assessment (knclkg.shp) recent views
Department of the Interior —
The clinker theme represents a digital polygon coverage showing areas where clinker is present. Clinker forms from the natural burning of coal beds in outcrop, and... -
Federal
Knobloch outcrop, Southern Montana, 1999 National Coal Resource Assessment (knocg.shp) recent views
Department of the Interior —
This ArcView shape file contains a line representation of the Knobloch coal bed outcrop or contact with clinker in the Ashland coalfield as defined in the USGS...