Watkins, Carleton E., 1829-1916

found: His Photographs of the Columbia River and Oregon, c1979:t.p. (Carleton E. Watkins) p. 7 (b. 11/11/1829) p. 23 (d. 1916)

found: Macmillan biographical encyc. of photographic artists & innovators, 1983(Carleton Eugene Watkins; 1829-1916)

found: Palmquist, P.E. Carleton E. Watkins, photographer of the American West, 1983:p. 3 (Carleton E. Watkins, 1829-1916; "middle name remains a mystery"; "Emmons" is not well-documented; daughter Julia says her father's middle name was Eugene)

found: Wikipedia website, December 7, 2017:individual entry (Carleton Watkins (1829-1916) was an American photographer of the 19th century. He was born in Oneonta, New York and moved to San Francisco in 1851. He focused mostly on landscape photography, and Yosemite Valley was a favorite subject of his. His photographs of the valley significantly influenced the United States Congress' decision to preserve it as a national park) - https://en.wikipedia.org/wiki/Carleton_Watkins