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Home My WebLink About4349.Potomac.dYear Ground Improvements Total Valve l9?.8 75o 2000 275o 1929 75o 25oo 3250 1930 v 750 2250 2900 3000 3650 1931 75o 1932 • 750 29oo 3450 1933 695 2685 3380 1934 695 2685 3380 1935 695 2685 3380 -1936 695 2685 3380 119r 695 2685 338o 1938 643 2685 3328 1939 632 2685 3317 1940' 568 21..2 o 2988 99 �o