Geology of a portion of the Waltersburg quadrangle, Pope County, Illinois
Thesis (M.S.)--Southern Illinois University, 1976
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 email@example.com Monday thru Friday, 8am-noon or 1pm-5pm.