University of Illinois Urbana-Champaign

Guide to the geology of the Hennepin area, Putnam, Bureau, and Marshall counties, Illinois

Frankie, Wayne T.; Jacobson, Russell J.; Hansel, Ardith K.; Killey, Myrna M.; Nelson, Robert S.; Malone, Dave H.; Shields, William E.; Corbett, Robert G.

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Owning Collections