Stone Strong is the largest precast retaining wall block available on the market measuring 3′ by 8′, weighing 6,000 lbs. This block is not misplaced easily.
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TerraTech, LLC
Virginia based specialty geotechnical contractor focusing on ground anchors and anchored structures including tieback walls, soil nailing, micropiles, foundation underpinning, and structure tiedowns. Visit TerraTech, LLC
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Geology.com
A great source for geology news and they also have a number of interesting and useful resources and maps. Visit Geology.com
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Western Excelsior Corp.
Western Excelsior Corp. is a manufacturer of rolled erosion control products and sediment retention devices. They also have their own design software. Visit Western Excelsior Corp.