TY  - BOOK
AU  - Aldrich,Henry R.
TI  - The geology of the Gogebic iron range of Wisconsin,
T2  - Wisconsin. Geological and natural history survey. Bulletin [no.] 71; Economic ser.,
AV  - QE179 .A2 no. 71
PY  - 1929///
CY  - Madison, Wis.
PB  - Published by the state
KW  - Geology
KW  - Wisconsin
KW  - Iron mines and mining
N1  - Bibliographical footnotes
ER  -