TY  - BOOK
T1  - Geochemistry of the Cambrian-Ordovician aquifer system in the northern Midwest, United States /
DA  - 1989.
CY  - Washington :
CY  - Denver, CO :
AU  - Siegel, Donald I.
VL  - 1405-D
CN  - QE75
CN  - GB857.2.M53
CN  - QE75
PB  - U.S. G.P.O. ;
PB  - For sale by the Books and Open-File Reports Section, U.S. Geological Survey,
PP  - Washington :
PP  - Denver, CO :
PY  - 1989.
ID  - 226834
KW  - Water
KW  - Geochemistry
KW  - Aquifers
KW  - Geology, Stratigraphic
KW  - Geology, Stratigraphic
KW  - Geology
TI  - Geochemistry of the Cambrian-Ordovician aquifer system in the northern Midwest, United States /
ER  -