1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 34, 36 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 3/24/36 ap...
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1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 35, 37 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 3/25/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 36, 38 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 3/27/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 37, 39 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 3/30/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 38, 40 Image is from a copy of the original on Mylar. Drawn by Jack Fellows 4/23/36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 40, 42 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 3/28/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 41, 43 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 4/24/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 20, 44 Image is from a copy of the original on Mylar. Drawn by Jack Fellows 4/14/36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 43, 45 Image is from a copy of the original on Mylar. Drawn by ack Fellows 4/2/36 a...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 44, 46 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 5/8/36 app...