p. 358

378 Dane Co.

sufficiently tested to enable one to form a just estimate of its value for building purposes." This is a beautiful lake with clean white gravelly shores, and is mostly supplied from springs, having only one small tributary. It is fifteen miles from the Wisconsin river at the nearest point; and it is supposed that a canal might be constructed uniting their waters at Arena, by the valley of the Black Earth Creek. The country around the Lake rises gradually to a considerable elevation; it is underlaid by limestone. Chalcedony, agates, and carnelians have been found among the pebbles on the shore of this lake. The surface of the Fourth Lake is estimated to be two hundred and ten feet above Lake Michigan, or seven hundred and eighty eight feet above the level of the Ocean; and it is estimated by Capt. Cram to be twenty two inches higher than Third Lake.

There are eight other small lakes in Dane County (twelve in all)- the largest called Wingra lies west of Third Lake and is [nearly] one and three fourths [two] miles in length and 3/4 of a m. wide. The others have not yet [received] been named, and several are quite small.