1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 61, 63 Image is from a copy of the original on Mylar. Drawn by M. Hauseu May 1936 a...
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1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 61, 62, 64 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 5/5/36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 63, 65 Image is from a copy of the original on Mylar. Drawn by L Belihound 6/17/36 ...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 64, 66 Image is from a copy of the original on Mylar. Drawn by S. Belihound 6-23-36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 65, 67, 68, 69 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: 66 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 sheets: 67, 69 Image is from a copy of the original on Mylar. Drawn by S. Belihound 6-11-36.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 68, 70 Image is from a copy of the original on Mylar. Drawn by M Hausen 6/17/36 app...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 69, 71 Image is from a copy of the original on Mylar. Drawn by S. Belihound 6-22-36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 70, 72 Image is from a copy of the original on Mylar. Drawn by S. Belihound 7-7-36 ...