Illinois State Geological Survey Manuscript Geologic conditions at west landing of proposed high-level bridge across Illinois River at Hardin Calhoun County IL
Dates
Dataset Reference Date
2019-11-21
Info Date
1929
Summary
Illinois State Geological Survey Manuscript County: Calhoun Title: Geologic conditions at west landing of proposed high-level bridge across Illinois River at Hardin Author: Ekblaw, George E., Call Number: MS Ekblaw, G.E. #46
Summary
Illinois State Geological Survey Manuscript County: Calhoun Title: Geologic conditions at west landing of proposed high-level bridge across Illinois River at Hardin Author: Ekblaw, George E., Call Number: MS Ekblaw, G.E. #46
Illinois State Geological Survey Manuscript Geologic conditions at west landing of proposed high-level bridge across Illinois River at Hardin Calhoun County IL