Northeastern Forest Experiment Station (Radnor, Pa.), R. E. Leonard, United States. Forest Service. the permit system requires ... in areas with a multitude of access points or a complex trail network, permit systems may be easier to administer and ... The components consist of a flat 18 x 24- inch plastic-covered mat switch, which is placed in a sandwich of plywood, ... straightforward because infrequent malfunctions can be repaired easily in the field by simply replacing defective parts.
|Title||:||Management guidelines for monitoring use on backcountry trails|
|Author||:||Northeastern Forest Experiment Station (Radnor, Pa.), R. E. Leonard, United States. Forest Service|