TY  - BOOK
AU  - Harbaugh, John Warvelle,
CN  - QE90.N8 H37 1975
CN  - QE90.N8
CY  - Dubuque, Iowa :
DA  - c1975.
ID  - 63721
KW  - Geology
N1  - Half title: Geology field guide to Northern California.
N1  - Published in 1974 under title: Geology field guide to northern California.
PB  - Kendall/Hunt Pub. Co.,
PP  - Dubuque, Iowa :
PY  - c1975.
SN  - 0840312733
T1  - Northern California, field guide /
TI  - Northern California, field guide /
ER  -