To the U-buoy ... and beyond!
Two days, 12 dives, and no joy -- the river mud still has hold of the buoy chain despite our efforts on 15 and 16 April. There is no joy in Mudville.
But we WILL wrest the chain from the belly of the beast and deploy the buoy next weekend.
If we finish that on Saturday, 22 April, we will spend Sunday taking sidescan images of ten suspected sites down the Potomac, and physical measurements of two of them.