An FHWA engineer, working the water flow and special material mimicking soil, demonstrates how even relatively simple methods, like a log construction and the planting of trees, can tame water courses that threaten roadways.
Photo: David Cullen
An FHWA engineer, working the water flow and special material mimicking soil, demonstrates how even relatively simple methods, like a log construction and the planting of trees, can tame water courses that threaten roadways.
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