TY  - BOOK
T1  - Phosphorite and other apatite-bearing sedimentary rocks in the Precambrian of northern Michigan /
DA  - 1976.
CY  - Arlington, Va. :
AU  - Cannon, William F.
AU  - Klasner, J. S.
VL  - 746
CN  - QE75
CN  - QE75
PB  - U.S. Geological Survey,
PP  - Arlington, Va. :
PY  - 1976.
ID  - 120875
KW  - Phosphate rock
KW  - Apatite
KW  - Geology, Stratigraphic
KW  - Geology
TI  - Phosphorite and other apatite-bearing sedimentary rocks in the Precambrian of northern Michigan /
ER  -