Cite

21, 4497. Southeast from Triple Divide Mountain [Valley with River Below.]

MLA

McClintock, Walter, 1870-1949. 21, 4497. Southeast from Triple Divide Mountain [Valley with River Below.]. Box 60, folder 2950. 1941. https://collections.library.yale.edu/catalog/2008366.

APA, 6th edition

McClintock, Walter, 1870-1949. (["Box 60, folder 2950"])(1941)[21, 4497. Southeast from Triple Divide Mountain [Valley with River Below.]]. https://collections.library.yale.edu/catalog/2008366.