Illinois State Geological Survey Manuscript Early Wisconsin Glaciation in the Middle West Stephenson County IL
Dates
Dataset Reference Date
2019-11-21
Info Date
1960
Summary
Illinois State Geological Survey Manuscript County: Stephenson Title: Early Wisconsin Glaciation in the Middle West Author: Leighton, Morris M., J.A. Brophy Call Number: MS Leighton, M.M. #270 Location Record 7 of 11
Summary
Illinois State Geological Survey Manuscript County: Stephenson Title: Early Wisconsin Glaciation in the Middle West Author: Leighton, Morris M., J.A. Brophy Call Number: MS Leighton, M.M. #270 Location Record 7 of 11