With a flood like the one in 1942, the river will erode 16.6% of the sediment and leave .51 inches of sediment just below the dam and 2.96 inches from 7475 feet below the dam through Fredericksburg.
(the river; will erode; 16.6% of the sediment) (the river; leave; .51 inches of sediment just below the dam and 2.96 inches)
the river the river
will erode leave
16.6% of the sediment
.51 inches of sediment just below the dam and 2.96 inches