Briar Bluff South Section in Petersburg Silts of early Illinoian age, in the SW corner of NW1/4 sec. 21, T 17 N, R ... [details]
Wildcat Creek Section, Petersburg Silt Formation of Illinoian age, in die NE1/4 NE1/4 NE1/4 sec. 19, T 13 N, R 4 W, ... [details]
Long Lake Section, in silts of the Banner Formation of Kansan age, situated in the center of NW1/4 NW1/4 sec 18, T ... [details]
Briar Bluff South Section, Petersburg Silts of lllinoian age, in the SW corner NW1/4 sec. 21, T 1 N, R 1 E, Henry ... [details]
Briar Bluff South Section, in Petersburg Silts of Illinoian age, in the SW corner NW1/4 sec. 21, T 1 N, R 1 E, ... [details]
Long Lake Section, Banner Formation, in humic-stained sihs of Kansan age, situated in the Cen. NW1/4 NW1/4 sec. 18, ... [details]