Publication Title:
Guide to the geology of the Hennepin area, Putnam, Bureau, and Marshall Counties, Illinois
Publication Type:
Field Trip Guidebooks (Public Field Trips)
Author:
Wayne T. Frankie, Russell J. Jacobson, Ardith K. Hansel, and Myrna M. Killey, Robert S. Nelson, Dave H. Malone, William E. Shields, and Robert G. Corbett