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Oconomowoc Lakes, a group of beautiful lakes lying in the towns of Summit and Warren in Milwaukee County that discharge their waters through the Oconomowoc creek into Rock river.

Oconomowoc Lake- The most southern of the group of lakes of the same name lying in town seven range seventeen. It is about two miles long and three fourths of a mile broad. Its surface is seven feet lower than the Nemahabin and Twin Lakes, being two hundred and eighty two feet above Lake Michigan. Periphery 6 m 55 ch.-21 m 56 ch-breadth 60 ch-area 750 acres.

Oconomowoc-A town laid out at the eastern extermity of LaBelle Lake on the Oconomowoc creek in Milwaukee county. It has a mill and machinery for making chairs &c.

Ochasusa Lepe river, a branch of the Courteville river, which is a tributary of the [Ottawa] & Chippewa.