Crystalline Rocks of Southwestern California; No. 159Esper S. (Esper Signius) 187 Larsen, Richard Holmes 1912- Merriam, Donald L. Everhart · First published 2021Open the Tome
Geology and Quicksilver Deposits of the New Almaden District, Santa Clara County, CaliforniaEdgar Herbert Bailey, Donald L. Everhart · First published 2018Open the Tome
Geology of uranium deposits - a condensed versionDonald L. Everhart · First published 1951Open the Tome
