APA (7th ed.) Citation

United States. Forest Service. (1981). Kimball Creek Trail (Scale not given.). The Service.

Chicago Style (17th ed.) Citation

United States. Forest Service. Kimball Creek Trail. Scale not given. [Washington, D.C.?]: The Service, 1981.

MLA (9th ed.) Citation

United States. Forest Service. Kimball Creek Trail. Scale not given. The Service, 1981.

Warning: These citations may not always be 100% accurate.