"John J. O’Neill, geologist.", Stefansson Collection of Arctic Photographs - Photographic Prints, 1913, Digital by Dartmouth Library, n2t.net/ark:/83024/d4vq2sg3f.
Citation (Chicago Format)
John J. O’Neill, geologist, 1913. Digital by Dartmouth Library. https://n2t.net/ark:/83024/d4vq2sg3f.