Dredging the Marsh ← Previous Next → Sediment is dredged from one place in a salt marsh at Blackwater National Wildlife Refuge in Maryland, to be sprayed in another. Credit: Dave Harp, Chesapeake Photos Share this:Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to print (Opens in new window)Click to email a link to a friend (Opens in new window)Like this:Like Loading...