Cite

A spur of the Great Western Divide. 124

MLA

A Spur of the Great Western Divide. 124. 0AD. https://collections.library.yale.edu/catalog/2015534.

APA, 6th edition

A spur of the Great Western Divide. 124. (0 C.E.). [Photographic prints, Photographs, Stereographs]. https://collections.library.yale.edu/catalog/2015534.