Illinois parts of INQUA guidebooks and supplemental data for field conference C : Upper Mississippi Valley; field conference GH. T. U. Smith, C. Bertrand Schultz, John C. Frye, H. B. Willman, International Association for Quaternary Research. Congress, Nebraska Academy of Sciences, Illinois State Geological Survey · First published 1965Open the Tome
Reprint of Illinois parts of INQUA guidebooks and supplemental data for Field Conference C, Upper Mississippi Valley [and] Field Conference G, Great Lakes-Ohio River ValleyC. Bertrand Schultz, H. T. U. Smith · First published 1966Open the Tome
