TY  - BOOK
AU  - Ver Planck,William Everett
ED  - California.
TI  - Gypsum in California
T2  - California.  Dept. of Natural Resurces.  Division of Mines.  Bulletin,
AV  - TN24.C2 A3 no. 163
U1  - 553.63 
PY  - 1952///
CY  - San Francisco
PB  - State of California, Dept. of Natural Resources, Division of Mines
KW  - Gypsum
KW  - California
KW  - Geology
N1  - Part of illustrative matter in pocket; Bibliography: p. 113-118
ER  -