Hotchkiss, William Otis, 1878-1954. A brief outline of the geology, physical geography, geography, and industries of Wisconsin, by O. Hotchkiss and E. F. Bean. - Madison, Wis., Published by the state, 1925. - [4] 60 p. illus., plates, maps, diagrs. 23 cm. LCCN: gs 26000006 Subjects--Topical Terms: Physical geography--Wisconsin.Geology--Wisconsin. Subjects--Geographic Terms: Wisconsin--Economic conditions. LC Class. No.: QE179 / .A2 no. 67