Counties: Washburn Taylor Price Sawyer Douglas
1980
Journal: 92 p.
Zaporozec, A.;
Journal: p. 1-92
Whitson, A.R.; Dunnewald, T.J.; Thompson, C.;
1921
Report: 45 p. + map (scale 1 in = 6 miles)
Whitson, A.R.; Thompson, C.; Dunnewald, T.J.;
Map: Scale 1:380,160
Roth, F.;
1898
Report: 78 p.