TY  - JOUR
CN  - QE75
CN  - QE75
CY  - Washington,
ID  - 293832
KW  - Geology
KW  - Geology
KW  - Paleontology
KW  - Petrology
KW  - Mineralogy
N1  - Issue for 1950 called: Annotated bibliography of North American geology.
N1  - At head of title: 1906/07- Department of the Interior, United States Geological Survey.
PB  - U.S. Govt. Print. Off.;
PB  - [for sale by the Supt. of Docs.]
PP  - Washington,
SN  - 0740-6347
T1  - Bibliography of North American geology.
TI  - Bibliography of North American geology.
ER  -