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Coal. Small fragments of coal associated with bituminous shale, or coal slate have been found on the shore of Lake Michigan at Milwaukee and elsewhere; and some indications of coal are said to exist in the vicinity of Lake Winnebago. The rocks in Wisconsin, so far as they have been examined prove (as before remarked) to be older than the coal formation and lie below it; consequently it would be useless to search for coal in these rocks.

Peat is found in great abundance in bogs throughout the Territory. It is occasionally used for fuel here by persons who have been accustomed to its use in other countries.

Common Salt. But few indications of salt have yet been discovered. The surveyors have noted "salt licks: in some places, but they have led to no important results. In Long's Expedition we have an account of a salt district near the north west corner of this Territory and the [counties?] adjacent. "There are doubtless in this country a great many