| Timothy H. O'Sullivan No. 46, Cañon de Chelle, Walls of the Grand Cañon about 1200 feet in height [Photographs showing landscapes, geological and other features, of portions of the Western Territory of the United States…] 1873 (taken) 1873 (published) 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, SG WF-237, Identifier: ark:/12148/btv1b53067282f, 52 of 60 LL/88001 Lieut. Geo[rge] M[ontague] Wheeler, 1873, Photographs showing landscapes, geological and other features, of portions of the Western Territory of the United States obtained in connection with Geographical and Geological Explorations and Surveys West of the 100th Meridian, seasons of 1871, 1872 and 1873, (Washington: War Department, Corps of Engineers, U.S. Army)
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