Coal Resource Occurrence and Coal Development Potential Maps of the Spring Creek Ranch Quadrangle, Big Horn County, MontanaWebsite or Online Data - 1979
Publisher: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1979.
Characteristics: 1 online resource (12 maps and 1 data sheet).
Alternative Title: Spring Creek Ranch quadrangle, Big Horn County, Montana