Columbia subject headings:
Harvard subject headings:
America--Discovery and exploration
Autobiographies
Colorado River (Colo.-Mexico)--Description and travel.
Stanton, Robert Brewster, 1846-1922
Surveying--Colorado River (Colo.-Mexico)
Princeton subject headings:
Colorado River (Colo.-Mexico)--Description and travel.
Stanton, Robert Brewster, 1846-1922.
United States--Exploring expeditions.