Map of locations of strippable coal deposits in Montana, circa 1960s
MLA
United States. Bureau of Mines. "Map of locations of strippable coal deposits in Montana, circa 1960s." Georgia State University. Special Collections. 1960/1969, http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/101386.
APA
United States. Bureau of Mines (1960/1969). Map of locations of strippable coal deposits in Montana, circa 1960s. Retrieved from http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/101386
Chicago
United States. Bureau of Mines. "Map of locations of strippable coal deposits in Montana, circa 1960s." 1960/1969. May 21, 2026. http://digitalcollections.library.gsu.edu/cdm/ref/collection/mhross/id/101386.
