None: 1931
Bean, E.F.; Ostrander, A.R.;
1931
Report: 5 p.
Wisconsin Geological and Natural History Survey;
Map: Scale 1:62,500
Whitson, A.R.; Geib, W.J.; Chapman, H.; Bartholomew, R.; Stockstad, O.L.; Anderson, A.C.; Edwards, M.J.; Bailey, E.H.;
Report: 93 p. + map (scale 1:62,500)