TY  - BOOK
AU  - Gregory,Herbert E.
AU  - Thorpe,Malcolm Rutherford
TI  - The San Juan country: a geographic and geologic reconnaissance of southeastern Utah 
AV  - QE75 .P9 no. 188
U1  - (200)qP no. 188 
PY  - 1938///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Geology
KW  - Utah
KW  - San Juan County
KW  - Physical geography
N1  - At head of title : United States Department of the Interior ... Geological Survey; Bibliographic footnotes
ER  -