Pioneer photographers of the far west

["Photography" "Dictionaries" "Photographers" "History" "Biography" "American history: c 1800 to c 1900" "Photography & Photographs" "c 1800 to c 1900" "West (U.S.)" "Photo Essays" "North Central & Mid-West states" "Western & Pacific Coast states" "Reference" "Subjects & Themes - Travel - U.S./West" "Photography / History" "19th century" "Photographers biography" "West (u.s.) history pictorial works" "West (u.s.) biography"]