TY  - BOOK
AU  - Grant,Ulysses Sherman
TI  - Preliminary report on the copper-bearing rocks of Douglas County, Wisconsin
T2  - Wisconsin. Geological and natural history survey. Bulletin
AV  - QE179 .A2 no. 6a
PY  - 1901///
CY  - Madison, Wis.
PB  - Published by the state
KW  - Geology
KW  - Wisconsin
KW  - Copper
ER  -