Bypassing Sand at Coastal Inlets
To reduce dredging requirements and to provide calm navigation channels, the U.S. Corps of Engineers often constructs jetties and breakwaters. These structures block sand drifting along...

Highway Fill�� A Broad-Crested Weir
Hurricane Agnes in June, l972, destroyed the bridge over the Middle Patuxent River in Maryland which had suffered damages from several other storms. Replacement costs had to be kept low...

 

 

 

 

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