TY  - BOOK
AU  - Cross,Whitman
AU  - Larson,Esper Signius
TI  - A brief review of the geology of the San Juan region of southwestern Colorado,
T2  - U.S.  Geological survey.  Bulletin
AV  - QE75 .B9 no. 843
PY  - 1935///
CY  - Washington
PB  - U.S. Govt. print. off.
KW  - Geology
KW  - Colorado
KW  - San Juan Region
N1  - "Literature": p. 4-6
ER  -