Open Access#11836
Report of a geological reconnoissance made in 1835, from the seat of government, by the way of Green Bay and the Wisconsin Territory to the Coteau de Prairie, an elevated ridge dividing the Missouri from the St. Peter's River
Issued also as Senate doc. no. 333, 24th Cong., 1st sess. ; Report addressed to Lieut. Col. J. J. Abert, U.S. Topographical engineers. ; Mode of access: Internet.