Illinois State Geological Survey Historic Images Collection Photograph 1015 Calhoun County IL
Dates
Dataset Reference Date
2017-11-16
Info Date
1922-07-15
Summary
Photograph Subject: Hamburg Ill. Unconformity of Sexton Cr. Ls on Bowling Green ls. County: Calhoun State: IL Author: Ekblaw, G. E. Volume: 1001 Format: Negative Ref ID: 1015
Summary
Photograph Subject: Hamburg Ill. Unconformity of Sexton Cr. Ls on Bowling Green ls. County: Calhoun State: IL Author: Ekblaw, G. E. Volume: 1001 Format: Negative Ref ID: 1015