TY  - BOOK
AU  - Dorr,John Adam
AU  - Eschman,Donald F.
TI  - Geology of Michigan
SN  - 0472082809
AV  - QE125 .D66 1970
U1  - 557.74 
PY  - 1970///]
CY  - Ann Arbor
PB  - University of Michigan Press
KW  - Geology
KW  - Michigan
N1  - Bibliography: p. 451-457
ER  -