The Colorado River Region and John Wesley Powell : a collection of papers honoring Powell on the 100th anniversary of his exploration of the Colorado River, 1869-1969 / Mary C. Rabbitt [and others].
Publication Info.
Washington : [U.S. Dept. of the Interior Geological Survey] : U.S. G.P.O., 1969.
John Wesley Powell: pioneer statesman of Federal science / Mary C. Rabbitt -- Stratified rocks of the Grand Canyon / Edwin D. McKee-- Geologic history of the Colorado River / Charles B. Hunt-- The rapids and the pools--Grand Canyon / Luna B. Leopold.
