Creator
- Arndt, Raymond E.3
- Bawiec, Walter J.3
- Beikman, Helen M.3
- Britton & Rey1
- Bruns, Terry R.1
- Bush, Charles A.3
- California Geological Survey16
- California. Department of Conservation13
- California. Dept. of Conservation.1
- California. Division of Mines and Geology8
- California. State Earthquake Investigation Commission1
- Clahan, Kevin B.1
- Conrad, J. E. (Julian Eduard)1
- Conrad, Jamie E.2
- Dartnell, Peter1
- Dieter, Bryan E.2
- Endris, Charles A.3
- Golden, Nadine E.17
- Greene, H. G.7
- Hartwell, Stephen R.8