Bart Mendoza 5 a.m., Dec. 8
The estuary flushes twice a day with saltwater as the tide rises and dropsPosted March 19, 2013
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Those 450,000 cubic yards could block marsh outlet
San Diego National Wildlife Refuge biologists are monitoring the movement of the 450,000 cubic yards sand dumped on Imperial Beach shores last fall, worried that southbound sand will block the river mouth as it did ...