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Improvements

[Hand written data table of distances, descents, and elevations at places; Mout of Catfish, Head of Holme's rapids, Fort of Holme's rapids, State line of Illinois, Junction with Mississippi].

The whole estimated cost of improving the lower division of this river, from the state line to the mouth is only one hundred and fifty thousand dollars. The principal obstructions are at what is called the Upper, and the Lower rapids, the former having a descent of eight feet and the latter six.

It has been proposed to connect the head waters of Rock river with Lake Winnebago by means of a canal, and Capt. Cram an officer of the Topographical Engineers reports in relation to it that "judging from observations on the ground unaided by the level, between the head waters of Rock river, and those [that] which seek the southern extremity

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