This scanned and georeferenced map, dated 01/01/1955 was prepared by Iowa Geological Survey staff and may be a working/reference document. This is a document preserved for historical and/or reference purposes.
Summary
This scanned and georeferenced map, dated 01/01/1955 was prepared by Iowa Geological Survey staff and may be a working/reference document. This is a document preserved for historical and/or reference purposes.