Colton, R. B. (1963). Geologic map of the Spring Creek quadrangle, Valley County, Montana: By Roger B. Colton. U.S. Dept. of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationColton, Roger B. Geologic Map of the Spring Creek Quadrangle, Valley County, Montana: By Roger B. Colton. Washington: U.S. Dept. of the Interior, Geological Survey, 1963.
MLA (9th ed.) CitationColton, Roger B. Geologic Map of the Spring Creek Quadrangle, Valley County, Montana: By Roger B. Colton. U.S. Dept. of the Interior, Geological Survey, 1963.
Warning: These citations may not always be 100% accurate.