1936. Project: S-F2-198 Scale: 1:48 (most), 1:48 vertical 1:1200 horizontal (top drawing) Drainage basin: Delaware River Image is from a copy of the orig...
1935. Project: S-F2-198 Scale: 1:1200 Drainage basin: Delaware River Image is from a copy of the original on Mylar. Drawn by E.S. Becker June 1935 date d...
1936. Project: ST. 70. Scale: 1:2400, .25:12,1:600,1:120 Image is from a copy of the original on Mylar. Drawn by A.L. Brooks 7/20/36 Topography taken Apr...
1936. Project: ST. 70. Scale: 1:2400, vertical scale 1:120 Image is from a copy of the original on Mylar. Drawn by A.L. Brooks 7/20/36 topography taken A...
1937. 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. 1...
1937. 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. 1...