Columbia subject headings:
Harvard subject headings:
Colorado River Valley (Colo.-Mexico)--Pictorial works.
Hillers, John K., 1843-1925.
Indians of North America--Southwest, New--Portraits.
Landscape photography--West (U.S.)
West (U.S.)--Description and travel--Pictorial works.
West (U.S.)--Pictorial works.
Princeton subject headings:
Colorado River Valley (Colo.-Mexico)--Description and travel--Views.
Hillers, John K., 1843-1925.
Indians of North America--Southwest, New--Portraits.
Landscape photography--West (U.S.)
West (U.S.)--Pictorial works.