1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 80, 82 Image is from a copy of the original on Mylar. Drawn by M. Houser 8/14/36 ap...
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1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 81, 83, 84 Image is from a copy of the original on Mylar. Drawn by M. Hauser 7/11/3...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 82, 84 Image is from a copy of the original on Mylar. Drawn by S. Belihound 7-25-36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 83, 85 Image is from a copy of the original on Mylar. Drawn by S. Belihound 7-22-36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 84, 86 Image is from a copy of the original on Mylar. Drawn by S. Belihound 7-27-36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 85, 87 Image is from a copy of the original on Mylar. Drawn by S. Belihound 8-25-36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 86, 88, 91 Image is from a copy of the original on Mylar. Drawn by S. Belihound 9-9...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: Image is from a copy of the original on Mylar. Drawn by S. Belihound 9-10-36 approved.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 89 Image is from a copy of the original on Mylar. Drawn by S. Belihound 9-11-36 appr...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets:87, 92 Image is from a copy of the original on Mylar. Drawn by S. Belihound 8/13/36 ...