TY  - BOOK
ED  - Geological Survey
TI  - Bibliography of North American geology 1964
U1  - 551.0973 14
PY  - 1966///
CY  - Washington
PB  - U.S. goverment printing office
KW  - Geology
KW  - North America
KW  - Bibliography
KW  - Periodicals
KW  - Indexes
KW  - North American
ER  -