Julie Stalmer 6:30 p.m., July 23
The estuary flushes twice a day with saltwater as the tide rises and drops
Posted March 19, 2013
Stories this photo appears in:
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 ...