Illinois State Geological Survey Historic Images Collection Photograph 1224 Williamson County IL
Dates
Dataset Reference Date
2017-11-16
Summary
Photograph Subject: Thin Illinoisan till in S 15 T10S R1E NE 1/4 NE 1/4 County: Williamson State: IL Author: Lamar, J. E. Volume: 1201 Format: Missing Ref ID: 1224
Summary
Photograph Subject: Thin Illinoisan till in S 15 T10S R1E NE 1/4 NE 1/4 County: Williamson State: IL Author: Lamar, J. E. Volume: 1201 Format: Missing Ref ID: 1224