TY  - BOOK
AU  - Stewart,John Harris
AU  - McMenamin,Mark A.
AU  - 
ED  - Geological Survey (U.S.)
TI  - Upper Proterozoic and Cambrian rocks in the Caborca region, Sonora, Mexico: physical stratigraphy, biostratigraphy, paleocurrent studies, and regional relations 
U1  - 551.715097217 
PY  - 1984///
CY  - Washington, D.C
PB  - United States Government Printing Office, U.S. Geological Survey
KW  - Geology, Stratigraphic
KW  - Precambrian
KW  - Cambrian
KW  - Geology
KW  - Mexico
KW  - Heroica Caborca
KW  - survey
ER  -