Illinois State Geological Survey Manuscript Geology and mineral resources of the Havana quadrangle, 1930 Mason County IL
Dates
Dataset Reference Date
2019-11-21
Info Date
1930
Summary
Illinois State Geological Survey Manuscript County: Mason Title: Geology and mineral resources of the Havana quadrangle, 1930 Author: Wanless, Harold R., Call Number: MS Wanless, H.R. #4 Location Record 1 of 9
Summary
Illinois State Geological Survey Manuscript County: Mason Title: Geology and mineral resources of the Havana quadrangle, 1930 Author: Wanless, Harold R., Call Number: MS Wanless, H.R. #4 Location Record 1 of 9