1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 29, 31 Image is from a copy of the original on Mylar. Drawn by M. Hauseu April 1936...
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1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 30, 32 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 4/27/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 31, 33 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 5/7/36 app...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 32, 34 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 5/7/36 app...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 33, 35 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 1936 approved.
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...
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...