Large format index cards re underground power stations around the world, circa 1960 Box 37 Unit ID: [unnumbered]
Lecture notes from U.S. Bureau of Reclamation training conferences on earth and concrete control, 1947-8 Box 44 Unit ID: [unnumbered] Date: 1947-8
List of reports of the Engineering Geology Branch, 1951-61 Box 42 Unit ID: [unnumbered] Date: 1951-61