Coastal erosion is threatening existing structures at Shell Beach and northern Pismo Beach near San Luis Obispo, California. The Army Corps of Engineers suggests 6 sea walls to protect infrastructure such as two sewage treatment facilities, Highway 101, Price Street, drainage structures and to preserve building setbacks. [Source: SanLuisObispo.com via ASCE SmartBrief. Image: SanLuisObispo.com]
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