F1553a. Valley of Dry Fork. Flinsch Peak.
MLA
McClintock, Walter, 1870-1949. F1553a. Valley of Dry Fork. Flinsch Peak.. Box 144, folder 7328. 1915. https://collections.library.yale.edu/catalog/10453024.
APA, 6th edition
McClintock, Walter, 1870-1949. (["Box 144, folder 7328"])(1915)[F1553a. Valley of Dry Fork. Flinsch Peak.]. https://collections.library.yale.edu/catalog/10453024.