TY  - BOOK
AU  - Kent,Harry Christison
AU  - Porter,Karen W.
ED  - Rocky Mountain Association of Geologists.
TI  - Colorado geology
AV  - QE91 .C65 1980
U1  - 557.064 
PY  - 1980///
CY  - Denver, Colo.
PB  - Rocky Mountain Association of Geologists
KW  - Geology
KW  - Colorado
N1  - Seven fold. plans in back pocket; Includes bibliographical references
UR  - http://www.archive.org/details/coloradogeology00kent
UR  - http://www.openlibrary.org/books/OL24388624M
ER  -