1936. Project: ST. 70. Scale: 1:2400, 1:360 Image is from a copy of the original on Mylar. Drawn by A.L. Brooks 4/23/36 topography taken Sept. & Nov. 1935.
1938. Project: 1782-0 Scale: 1:1200, 1:48 Drainage Basin: Delaware Bay Image is from a copy of the original on Mylar. Oct. 1938 Drawn by A.A. Soundings t...
1936. Project: ST-70 Scale: 1:1200 Drainage basin: Delaware River Image is from a copy of the original on Mylar. Drawn by E.S. Becker Date July 1936 Appr...
1936. Project: ST-70 Scale: 1:1200 Drainage basin: Delaware River Image is from a copy of the original on Mylar. Drawn by E.S. Becker Date July 1936 Appr...
1936. Project: ST-70 Scale: 1:1200 Drainage basin: Delaware River Image is from a copy of the original on Mylar. Drawn by E.S. Becker Date July 1936 Appr...
1936. Project: ST.70. Scale: 1:2400,.5:12,1:1200, 1:120,1:480 Connects to Sheet:3 Image is from a copy of the original on Mylar. Drawn by A.L.B. Nov. '36.