TY  - BOOK
AU  - Udden,Johan August
AU  - Bybee,Halbert Pleasant
AU  - Schoch,Eugene P.
AU  - Read,William Thornton
ED  - University of Texas.
TI  - The Thrall oil field
T2  - Bulletin of Texas
AV  - TN872.T4 U4
PY  - 1916///]
CY  - Austin, Tex.
PB  - The University
KW  - Petroleum
KW  - Texas
KW  - Thrall
KW  - Ozokerite
KW  - Geology
N1  - At head of title: Bureau of Economic Geology and Technology
ER  -