Whipple, J. W., & Johnson, S. N. (1988). Stratigraphy and lithocorrelation of the Snowslip Formation (Middle Proterozoic Belt Supergroup), Glacier National Park, Montana. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationWhipple, James W., and Sue N. Johnson. Stratigraphy and Lithocorrelation of the Snowslip Formation (Middle Proterozoic Belt Supergroup), Glacier National Park, Montana. [Reston, Va.]: Department of the Interior, U.S. Geological Survey, 1988.
MLA (9th ed.) CitationWhipple, James W., and Sue N. Johnson. Stratigraphy and Lithocorrelation of the Snowslip Formation (Middle Proterozoic Belt Supergroup), Glacier National Park, Montana. Department of the Interior, U.S. Geological Survey, 1988.
Warning: These citations may not always be 100% accurate.