A pattern change along Drury Creek in southern Illinois and its relationship to the threshold concept
Thesis (M.S.)--Southern Illinois University at Carbondale, 1977
Drury Creek, Illinois--Stream measurement
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.