Claussen & Friis (1941), no. 33;From U.S. 23d Cong., 1st Sess., 1833-34. H. Doc. 546. Ser. 263.; 4102.I4 1830 G8;Index map.; s.n., [1834].;PC 17720; maps and travel accounts of Illinois, no. 28.; MMC 4-1873;Shows area between Lake Michigan and the confluence of the Fox and Illinois Rivers.;1 map;55 x 86 cm.