Geology of the Leupp quadrangle, Arizona [map] / by James H. Irwin, J.P. Akers, and Maurice E. Cooley ; Department of the Interior, United States Geological Survey ; prepared in cooperation with The Bureau of Indian Affairs
"Base map by Topographic Division, U.S. Geological Survey, 1955." "Geology by J.H. Irwin, P.R. Stevens, and R.L. Jackson, 1953..." Relief shown by contours and spot heights. "Contour interval 40 feet."
Includes text with bibliography, 1 col. cross section, 1 figure, and col. quadrangle map.