7791. Treadwell's gold mine, looking out of the shaft
MLA
7791. Treadwell's Gold Mine, Looking out of the Shaft. 0AD. https://collections.library.yale.edu/catalog/2014905.
APA, 6th edition
7791. Treadwell's gold mine, looking out of the shaft. (0 C.E.). [Photograph albums, Photographic prints, Photographs]. https://collections.library.yale.edu/catalog/2014905.