United States. Forest Service. Eastern Region. (1981). Hiawatha National Forest (Limited rev. 1981. -- Scale [1:253,440]. 1/4 in. to 1 mile ; Polyconic proj. (W 8710ʹ--W 8420ʹ/N 4630ʹ--N 4540ʹ).). The Service.
Chicago Style (17th ed.) CitationUnited States. Forest Service. Eastern Region. Hiawatha National Forest. Limited rev. 1981. -- Scale [1:253,440]. 1/4 in. to 1 mile ; Polyconic proj. (W 8710ʹ--W 8420ʹ/N 4630ʹ--N 4540ʹ). Milwaukee, Wis.: The Service, 1981.
MLA (9th ed.) CitationUnited States. Forest Service. Eastern Region. Hiawatha National Forest. Limited rev. 1981. -- Scale [1:253,440]. 1/4 in. to 1 mile ; Polyconic proj. (W 8710ʹ--W 8420ʹ/N 4630ʹ--N 4540ʹ). The Service, 1981.
Warning: These citations may not always be 100% accurate.