1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 108, 110 Image is from a copy of the original on Mylar. Drawn by S. Belihound 11-24...
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1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 109, 111 Image is from a copy of the original on Mylar. Drawn by S. Belihound Nov-2...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 110, 112, 113 Image is from a copy of the original on Mylar. Drawn by S. Belihound ...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 111 Image is from a copy of the original on Mylar. Drawn by S. Belihound 12-23-36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 111, 112 Image is from a copy of the original on Mylar. Drawn by S. Belihound 12-22...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 88, 90 Image is from a copy of the original on Mylar. Drawn by S. Belihound 9-11-36...
1936. Project: 10-197 Scale: 1:1200 Connects to sheets: 12, 13 Image is from a copy of the original on Mylar. Drawn by M. Hauser 6-29-36 approved.
1936. Project: 10-197 Scale: 1:1200 Connects to sheet: 22 Image is from a copy of the original on Mylar. Drawn by M. Hauser July 1936 approved.
1936. Project: 10-197 Scale: 1:1200 Connects to sheets: 20,. 22 Image is from a copy of the original on Mylar. Drawn by S. Belihound July 1936 approved.
1936. Project: 10-197 Scale: 1:1200 Connects to sheets 21, 23 Image is from a copy of the original on Mylar. Drawn by M. Hauser July 1936 approved Book N...