| Timothy H. O'Sullivan No. 33, Summits of Humboldt Mountains, Eastern Nevada [Geological Exploration Fortieth Parallel, No. 1] 1868, August (taken) 1872 (publication) 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/btv1b530847195, 35 of 52 LL/87894
| |