Authors: Bartholomew, R.
Whitson, A.R.; Geib, W.J.; Chapman, H.; Bartholomew, R.; Stockstad, O.L.; Anderson, A.C.; Edwards, M.J.; Bailey, E.H.;
1931
Report: 93 p. + map (scale 1:62,500)
Geib, W.J.; Anderson, A.C.; Pierre, W.H.; Meyer, A.H.; Scarseth, G.D.; Bartholomew, R.;
1929
Report: 45 p. + map (scale 1:63,360)
Map: Scale 1 in = 1 mile