Geology and Fuel Resources of the Southern Part of the San Juan Basin, New Mexico: The coal field from Gallup eastward toward Mount Taylor with a measured section of pre-Dakota rocks near Navajo Church, Part 1

Geology of Comb Ridge and Vicinity North of San Juan River, San Juan County, Utah: Issue 1021

Geology and Fuel Resources of the Southern Part of the San Juan Basin, New Mexico

Shorter Contributions to General Geology, 1938-1940