Timothy H. O'Sullivan
1869, July (taken) 1872 (publication)
No. 57, Wahsatch Mountains, Little Cottowood Cañon, Utah Territory
[Geological Exploration Fortieth Parallel, No. 2]

Albumen print, from wet collodion glass negative, on printed mount
Bibliothèque Nationale de France, Département des Estampes et de la Photographie
Département Société de Géographie, GR FOL-SG D7-421 (1 RES), Identifier: ark:/12148/btv1b53084718q, 13 of 51
 
LL/87920