TY  - BOOK
AU  - Keyes,Charles Rollin
TI  - Terrainal differentiation of the Paleozoic succession
AV  - QE654 .K49
PY  - 1915///
CY  - Des Moines
PB  - R. Henderson, state printer
KW  - Geology
KW  - Iowa
KW  - Geology, Stratigraphic
ER  -