Chippewa National Forest, Minnesota. - Washington : U.S. Govt. Print. Off., 1942. - 30 p. : ill., maps ; 23 cm. LCCN: agr42000260 Subjects--Geographic Terms: Chippewa National Forest (Minn.) LC Class. No.: SD428.C5 / A5 1942 Gov. Doc. Class. No.: A 13.13:C 44/3