Scale 1:7,603,200. 120 miles to the in., Albers Conical equal area proj
(W 130⁰--W 65⁰/N 55⁰--N 22⁰).
Relief shown by shading and spot heights.
Supplement to National Geographic, May 1958.
Includes index to U.S. and Canadian parks, text, and inset map of the Maritime Provinces.
Maps on verso: Yosemite Valley -- Yosemite National Park, California -- Grand Canyon National Park, Arizona -- Mount Rainier National Park, Washington -- Glacier National Park, Montana -- Rocky Mountain Nationa Park, Colorado -- Olympic National Park, Washington -- Great Smoky Mountains National Park -- General Grant Grove and the Giant Forest -- Colonial National Historic National Park, Virginia -- Sequoia National Park, California -- Shenandoah National Park, Virginia -- Yellowstone National Park -- Canyon -- Grand Teton National Park, Wyoming.