Atlas, 1942; Supplement, 1975. Facsimile edition 1991
Vol. II, Part 1, Atlas
Both the Atlas and Supplement have been reprinted, and are offered together in a portfolio jacket (12"x16"). The Atlas contains reproductions of 54 maps and sketches made by early explorers of Illinois and provides important historical information. The Supplement adds important early maps which had been missed in the earlier research.