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P.O. Box 7672
Tahoe City, California 96145
(W) 530-583-9128
(H) 530-583-4297
Fax 530-583-1372
donaldhays@thegrid.net


Detail of Pacific Crest Trail gabion wall
Mt. Jefferson Wilderness Area, Oregon


Larger photo of gabion wall

Gabion wall with native timber railing crosses a landslide zone on very steep cross slope above river.


Detail of Fort Jefferson National Monument Project
Dry Tortugas, Florida

Long shot of concrete perimeter
Closeup of concrete work on outer perimeter
View of repairs to a different section of concrete perimeter
We removed and replaced crumbling concrete on the outer perimeter wall of this historic island fort.
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