FIG. 1.
Sketch of a valley at the stage of development corresponding to the cross section shown in Fig. [18].

FIG. 2.
Sketch of a valley at the stage of development corresponding to the cross section shown in Fig. [20].

WISCONSIN GEOL. AND NAT. HIST. SURVEY. BULLETIN NO. V., PL. XX.

FIG. 1.
Sketch of a part of a valley at the stage of development corresponding to the cross section shown in Fig. [21].

FIG. 2.
Sketch of a section of the Baraboo valley.