Trail traffic counters for Forest Service trail monitoring /

Bibliographic Details
Main Author:	O'Rourke, Deb
Corporate Author:	Technology & Development Program (U.S.)
Format:	Government Document Book
Language:	English
Published:	Missoula, Mont. : Technology and Development Program, 1994.
Subjects:	Digital counters > Design and construction. Trails > United States. Forest reserves > United States > Recreational use.

Evans: US Documents (Annex 5th floor)