TY  - BOOK
AU  - Barker,Fred
ED  - Geological Survey (U.S.)
TI  - Gold investigations in precambrian classic and pelitic rocks Southwestern Colorado and Northern New Mexico
U1  - 557.3 
PY  - 1969///
CY  - Washington, D.C.
PB  - United States Geological Survey
KW  - Geology
KW  - Geology, Stratigraphic
KW  - Precambrian
N1  - Includes bibliographical references
ER  -