Lead and zinc deposits of northwestern Illinois,

Cox, Guy Henry.

Lead and zinc deposits of northwestern Illinois, - Urbana, State geological survey, University of Illinois, 1914. - 120 p. plates, 4 fold. maps (in pocket) diagrs. 24 cm.

gs 15000007


Lead mines and mining--Illinois.
Zinc mines and mining--Illinois.

TN453.I3 / C6

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