p. 330

350 Winnebago Co.

Lake Winnebago from which this county derives its name is twenty eight miles long and ten miles wide in its greatest dimensions, and covers and area of about two hundred and twelve square miles. The Neenah river enters it near the middle and leaves it at the north west angle, by two channels enclosing Doty's Island by which it is connected with the Little Butte des Morts Lake. These channels are known as the Winnebago rapids. "The water, (says Capt. Cram), is hard, and when not violently agitated is quite pellicid, but becomes turbid during long and severe blows; and has a depth sufficient for the purposes of navigation. On the northern extremity the shore is low, having a narrow sandy beach for an extent of about eight miles. On the east side the shore presents a remarkable feature for an extent of fifteen miles in a wall [of] composed of rocks laid together as if placed there by the hand of art. A similar wall pertains