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...
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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...
1938. Project: 1782-0 Scale: 1:6000 Drainage Basin: Delaware River Connects to Sheet: 2 Image is from a copy of the original on Mylar. Sept. 1938 Drawn b...
1938. Project: 1782-0 Scale: 1:12000 Drainage Basin: Delaware River Connects to Sheet: 1 Image is from a copy of the original on Mylar. Sept. 1938 Drawn ...
1937. Project: 1782-0 Scale: 1:1200 Drainage Basin: Delaware River Connects to Sheet: 4 Image is from a copy of the original on Mylar. Oct. 1937 Drawn by...
1937. Project: 1782-0 Scale: 1:1200 Drainage Basin: Delaware River Connects to Sheet: 4 and 6 Image is from a copy of the original on Mylar. Nov. 1937 Dr...
1937. Project: 1782-0 Scale: 1:6000 Drainage Basin: Delaware River Connects to Sheet: 5, 7, 17, and 19 Image is from a copy of the original on Mylar. Nov...
1938. Project: 1782-0 Scale: 1:1200 Drainage Basin: Delaware River Connects to Sheet: 6 Image is from a copy of the original on Mylar. Mar. 1938 Drawn by...
1938. Project: 1782-0 Scale: 1:2400 Drainage Basin: Delaware River Connects to Sheet: 9 Image is from a copy of the original on Mylar. June 1938 Drawn by...
1938. Project: 1782-0 Scale: 1:2400 Drainage Basin: Delaware River Connects to Sheet: 9 Image is from a copy of the original on Mylar. June 1938 Drawn by...