Cite

[Mounds of mine debris and mine buildings]

MLA

Palmquist, Peter E. [Mounds of Mine Debris and Mine Buildings]. 12AD. https://collections.library.yale.edu/catalog/12246921.

APA, 6th edition

Palmquist, P. E. (12 C.E.). [Mounds of mine debris and mine buildings] [Photographs]. https://collections.library.yale.edu/catalog/12246921.