TY  - BOOK
AU  - Bowen,Oliver E.
ED  - California.
TI  - Minerals useful to California agriculture
T2  - Its Bulletin
AV  - TN24.C2 A3 no. 155
U1  - 333.8 
PY  - 1951///
CY  - San Francisco
KW  - Mines and mineral resources
KW  - California
KW  - Soils
KW  - Fertilizers
N1  - Includes bibliographies
ER  -