TY  - BOOK
AU  - Cox,Guy Henry
TI  - Lead and zinc deposits of northwestern Illinois,
AV  - TN453.I3 C6
PY  - 1914///
CY  - Urbana
PB  - State geological survey, University of Illinois
KW  - Lead mines and mining
KW  - Illinois
KW  - Zinc mines and mining
ER  -