Cite

Oso Mine & Mill, Bear Valley

MLA

Watkins, Carleton E., 1829-1916. Oso Mine & Mill, Bear Valley. Folder 16. [ca. 1860-1861]. https://collections.library.yale.edu/catalog/2017949.

APA, 6th edition

Watkins, Carleton E., 1829-1916. (["Folder 16"])([ca. 1860-1861])[Oso Mine & Mill, Bear Valley]. https://collections.library.yale.edu/catalog/2017949.