Telephoto of bleaching and gumbotilization descending into cracks of bluff till below gumbotil, 1 mile north of Highway no. 15, Illinoian central cut
1 photograph, no negative; Album C photograph 27-69
MacClintock, Paul; Illinois Central
Manuscripts, maps, fieldnotes, and photographs may be viewed in-house only. Please contact the ISGS Special Collections Curator, Anne Huber, for an appointment at 217-300-0005 or email firstname.lastname@example.org Monday thru Friday, 8am-noon or 1pm-5pm.