Geologists from the California Geological Survey
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Download IIIF ManifestRequest permissionsDownload image PrintCalifornia Geological Survey Corps, including Chester Averill, William More Gabb, William Ashburner, Josiah Dwight Whitney, Charles K. Hoffman, Clarence King and William H. Brewer.
Smithsonian Institution Archives, Record Unit 7177, Image No. SIA2018-050166
Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520
Photographs
SIA RU007177 [SIA2018-050166]
Cyanotypes (photographic prints)