TY  - BOOK
N2  - "A compilation of about 600 selected references pertaining to the geology and occurrence of asphalt-bearing rocks."
AB  - "A compilation of about 600 selected references pertaining to the geology and occurrence of asphalt-bearing rocks."
T1  - Selected annotated bibliography on asphalt-bearing rocks of the United States and Canada, to 1970,
DA  - 1972.
CY  - Washington,
AU  - Mullens, Marjorie C.
AU  - Roberts, Albert Eugene,
VL  - 1352
CN  - QE75
CN  - QE75
PB  - U.S. Govt. Print. Off.,
PP  - Washington,
PY  - 1972.
ID  - 121947
KW  - Asphalt
KW  - Petroleum
TI  - Selected annotated bibliography on asphalt-bearing rocks of the United States and Canada, to 1970,
ER  -