TY  - BOOK
AU  - Courter,Ellis W.
ED  - Michigan. Geological Survey Division.
TI  - Michigan's copper country
AV  - TN443 .M5
U1  - 917.74/995/03 
PY  - 1992///
CY  - Lansing, Mich.
PB  - Michigan Department of Natural Resources. Geological Survey Division
KW  - Copper mines and mining
KW  - Michigan
KW  - History
KW  - Superior, Lake
N1  - Includes bibliography (p. 147-150) and index
ER  -