TY  - BOOK
AU  - King,Philip Burke
TI  - Geology of the Marathon region, Texas,
T2  - U. S. Geological survey. Professional paper 187
AV  - QE75 .P9 no. 187
PY  - 1938///
CY  - Washington
PB  - U.S. Govt. print. off.
KW  - Geology
KW  - Texas
KW  - Brewster County
N1  - At head of title: United States Department of the interior; 3 folded maps and 1 folded diagram in pocket; Bibliographical foot-notes
ER  -