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400
Iowa Co.

There are no lakes or marshes in Iowa County.

The Pekatonica is the principal stream, rising a few miles west of Mineral Point and running in a south easterly direction, through the south eastern corner of Green County, passes into Illinois, where it makes a large bend to the south, and enters Rock river five and a half miles below the state line. It is a sluggish stream, remarkable for the great number of short bends or crooks, running through a beautiful and romantic valley bordered by high bluffs. The water is usually turbid, hence its name which signifies "the muddy stream". It is navigable for small boats from its mouth to the "Forks" at the village of Wiota. The principal branch or tributary of the Pekatonica is called the East Branch, and rises along the ridge between Dodgeville and the Blue Mounds. It runs south through the Eastern part of the county: The other tributaries are