American heritage. To the Pacific with Lewis and Clark / by the editors of American heritage. Author: Ralph K. Andrist. Consultant: Edwin R. Bingham. - New York : American Heritage, 1967. - 149 p. : ill. - American heritage junior library . Includes bibliographical references. LCCN: 67024547 Subjects--Topical Terms: Lewis and Clark Expedition (1804-1806) Dewey Class. No.: 973.4