Geology of the Fremont Peak and Opal Mountain quadrangles, California,
by T.W. Dibble, Jr.
- San Francisco, California Division of Mines and Geology, 1968.
- 64 p. illus., maps (fold. col.) 28 cm.
- California. Division of Mines and Geology. Bulletin, 188 .
- Bulletin (California. Division of Mines and Geology) ; 188. .