Close-up: U.S.A. The Northwest / 
National Geographic Society.Cartographic Division.
Washington, D.C., 
1973.
Backed by: Glacier National Park; Puget Sound; Yellowstone and Grand Teton National Parks; [Physical map of the northwest U.S.A.]
Descriptions of the five northwestern states.
Supplement to National Geographic Magazine, Vol 143 No. 3. March 1973.