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Milwaukee County

we say "White Oak Openings", or "Bur Oak Openings". There is believed to be a difference in the character of the soil on the different kinds of openings, as well as on the prairies [The north half of the town of Summit is heavily timbered].

The shore of Lake Michigan in this county, consists of a bank of clay from twenty to one hundred feet in height, and as nearly perpendicular as the nature of the material will admit. From this the country gradually rises, as we pass westward, until we attain the summit between the Lake and Rock river, which is three hundred and sixteen feet above the level of the Lake. West of this summit the country maintains nearly a uniform level or had but a moderate inclination towards Rock river. This summit is believed to be the lowest point [in this Territory] in the dividing ridge between the waters of the Great lakes and the Mississippi in this Territory except at the Portage between the Wisconsin and Neenah rivers. The surface of the country in this county is broken by the valleys of several streams, mostly running towards