Project: S-F2-198 Scale: 1:2400,.5:12, vert. scale 1:120 horz. scale 1:480 Image is from a copy of the original on Mylar. "completed under W.P.A. 1937" For notes on elevation equality see sheet No 1 All elevations referred to mean low water. Mean low water Elev. = -0.00 M. S. W. Datum =-2.000 U.S.C. & G.S. mean sea level datum