p.11

this process must have been repeated from time to time and in the course of ages the whole surface would be dotted with these small hillocks.
The paucity of the "tree mounds" may be deemed evidence of the recent origin of the forests.

The surveyor in [running?] the lines of the public surveys often encountered these "wind falls" where the prostrate trees materially impeded the progress of the surveys; and there could be only such as had fallen within a few years.
What then could we expect in the lapse of centuries?

A map of a portion of the counties of Brown + Outagamie showing the wind falls there noted is appended.