John Wesley Powell: canyon's conqueror.
By: Illustrated by Harve Stein.
Contributors: Stein, Harvé, 1904-
Series: Piper books
Publisher: Houghton Mifflin
Published: 1963
Place of publication: Boston
Language: eng
Number of pages: 191
Subjects: Powell, John Wesley, 1834-1902 -- Juvenile literature; Powell, John Wesley, 1834-1902; Scientists -- United States -- Biography -- Juvenile literature; Explorers
Description: A biography of the geologist who led the first expedition down the canyons of the Green and Colorado Rivers.