11 books
Pleistocene and Recent Deposits in the Denver Area, Colorado (Classic Reprint)
Pleistocene-Recent Boundary in the Rocky Mountain Region (Classic Reprint)
Stratigraphy and Structure, Death Valley, California (Classic Reprint)
Pre-Wisconsin Soil in the Rocky Mountain Region, a Progress Report
The Colorado River Region and John Wesley Powell
Surficial Deposits of the United States
How to Collect Mountains
Death Valley
Natural Regions of the United States and Canada
Geology of Soils
Physiography of the United States