Illinois State Geological Survey Historic Images Collection Photograph 1707 Ogle County IL
Dates
Dataset Reference Date
2017-11-16
Summary
Photograph Subject: Cross bedded + dipping St. Peter sandstone County: Ogle State: IL Author: Leighton, M. M. Volume: 1701 Format: Negative Ref ID: 1707
Summary
Photograph Subject: Cross bedded + dipping St. Peter sandstone County: Ogle State: IL Author: Leighton, M. M. Volume: 1701 Format: Negative Ref ID: 1707