Knobloch outcrop, Southern Montana, 1999 National Coal Resource Assessment (knocg.shp)
Description
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 National Coal
Resource Assessment (NCRA) project. This theme was
created specifically for the National Coal Resources
Assessment in the Northern Rocky Mountains and Great
Plains Region.