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Image results for “surfaces”
A heavy timber extends along the bridge approach to retain the trail surfacing material (crushed stone); Easter Seals Handicamp, Empire, Colorado
A heavy timber extends along the bridge approach to retain the trail surfacing material (crushed stone); Easter Seals Handicamp, Empire, Colorado
A heavy timber extends along the bridge approach to retain the trail surfacing material (crushed stone); Easter Seals Handicamp, Empire, Colorado
Retaining timber is higher than the bridge deck, keeping the trail surfacing material even with the bridge; Rocky Mountain Arsenal National Wildlife Refuge, Colorado
Retaining timber is higher than the bridge deck, keeping the trail surfacing material even with the bridge; Rocky Mountain Arsenal National Wildlife Refuge, Colorado
Retaining timber is higher than the bridge deck, keeping the trail surfacing material even with the bridge; Rocky Mountain Arsenal National Wildlife Refuge, Colorado
Rock retaining wall holds trail surfacing material at wood bridge approach on the Emerald Bay Trail at Lake Tahoe, California
Rock retaining wall holds trail surfacing material at wood bridge approach on the Emerald Bay Trail at Lake Tahoe, California
Rock retaining wall holds trail surfacing material at wood bridge approach on the Emerald Bay Trail at Lake Tahoe, California
Asphalt trail meets boardwalk. Both surfaces are level; Trail of the Sentinels National Recreation Trail, Washington
Asphalt trail meets boardwalk. Both surfaces are level; Trail of the Sentinels National Recreation Trail, Washington
Asphalt trail meets boardwalk. Both surfaces are level; Trail of the Sentinels National Recreation Trail, Washington
Concrete trail makes a good connection to wood boardwalk; Finley National Wildlife Refuge, Oregon
Concrete trail makes a good connection to wood boardwalk; Finley National Wildlife Refuge, Oregon
Concrete trail makes a good connection to wood boardwalk; Finley National Wildlife Refuge, Oregon
Steel plate fills the vertical gap between sections; Seattle, Washington
Steel plate fills the vertical gap between sections; Seattle, Washington
Steel plate fills the vertical gap between sections; Seattle, Washington
Concrete sill does not solve the problem of keeping trail material up to bridge grade; Buena Vista, Colorado
Concrete sill does not solve the problem of keeping trail material up to bridge grade; Buena Vista, Colorado
Concrete sill does not solve the problem of keeping trail material up to bridge grade; Buena Vista, Colorado
An otherwise accessible trail is compromised by steps at transition from one bridge section to another; Arboretum Waterfront Trail, Seattle, Washington
An otherwise accessible trail is compromised by steps at transition from one bridge section to another; Arboretum Waterfront Trail, Seattle, Washington
An otherwise accessible trail is compromised by steps at transition from one bridge section to another; Arboretum Waterfront Trail, Seattle, Washington
Equestrians have made their own informal path along Van Bibber Creek Trail; Jefferson County Open Space, Colorado
Equestrians have made their own informal path along Van Bibber Creek Trail; Jefferson County Open Space, Colorado
Equestrians have made their own informal path along Van Bibber Creek Trail; Jefferson County Open Space, Colorado
The landscape fabric is exposed in this Philadelphia park due to runoff: the trail runs straight down the slope.
The landscape fabric is exposed in this Philadelphia park due to runoff: the trail runs straight down the slope.
The landscape fabric is exposed in this Philadelphia park due to runoff: the trail runs straight down the slope.
Here the edging keeps water from draining so obstacles in the form of drainage bars were placed to try to keep the crushed rock from eroding.
Here the edging keeps water from draining so obstacles in the form of drainage bars were placed to try to keep the crushed rock from eroding.
Here the edging keeps water from draining so obstacles in the form of drainage bars were placed to try to keep the crushed rock from eroding.
Water running down the slope gathers on the crusher fines trail because of insufficient cross slope of the trail.
Water running down the slope gathers on the crusher fines trail because of insufficient cross slope of the trail.
Water running down the slope gathers on the crusher fines trail because of insufficient cross slope of the trail.