Illinois State Geological Survey Historic Images Collection Photograph 0579 Ogle County IL
Dates
Dataset Reference Date
2017-11-16
Summary
Photograph Subject: Terrace in Pleistocene lakebed at Stillman Valley County: Ogle State: IL Author: Bretz, J. H. Volume: 0501 Format: Negative Ref ID: 0579
Summary
Photograph Subject: Terrace in Pleistocene lakebed at Stillman Valley County: Ogle State: IL Author: Bretz, J. H. Volume: 0501 Format: Negative Ref ID: 0579