Columbia subject headings:
Natural history--United States.
Porter, Eliot, 1901-1990.
Stegner, Wallace, 1909-1993--Travel--United States.
United States--Description and travel.
Harvard subject headings:
Natural history--United States
Stegner, Wallace, 1909-1993--Journeys--United States.
United States--Description and travel.
Princeton subject headings:
Natural history--United States.
Stegner, Wallace Earle, 1909---Travel--United States.
United States--Description and travel.