Crusher fines will eventually dry smooth once snowmelt stops; Adams County, Colorado, park.
Photo by: Stuart Macdonald
Design And Building,
Typical crusher fines surface showing very firm matrix with only a few loose larger rock particles.
Trail climbs at a low angle up the face of Westerly Creek Dam; Denver, Colorado
Skinner Butte Trail; Eugene, Oregon
The classic problem on dirt trails where the bridge itself is above the trail grade. Surfacing materials wear away leaving a step; Woodpecker Loop Trail in Finley National Wildlife Refuge, Oregon
Arrow directs trail users to main bikeway; other route leads to parking lot at the Aurora Reservoir in Aurora, Colorado