APA (7th ed.) Citation

Colorado School of Mines. Research Institute. & Geological Survey (U.S.). (1979). Coal resource occurrence and coal development potential maps of the Spring Creek Ranch quadrangle, Big Horn County, Montana. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Colorado School of Mines. Research Institute., and Geological Survey (U.S.). Coal Resource Occurrence and Coal Development Potential Maps of the Spring Creek Ranch Quadrangle, Big Horn County, Montana. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1979.

MLA (8th ed.) Citation

Colorado School of Mines. Research Institute., and Geological Survey (U.S.). Coal Resource Occurrence and Coal Development Potential Maps of the Spring Creek Ranch Quadrangle, Big Horn County, Montana. U.S. Dept. of the Interior, U.S. Geological Survey, 1979.