California Geological Survey Corps, including Chester Averill, William More Gabb, William Ashburner, Josiah Dwight Whitney, Charles K. Hoffman, Clarence King and William H. Brewer.
Cite as:
Smithsonian Institution Archives, Record Unit 7177, Image No. SIA2018-050166
Repository Loc.:
Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520
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