1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 55, 57 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 5/29/36.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 56, 59 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 5/29/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 56, 59 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 16/15/36 a...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 58, 61 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 6/24/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 58 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 6/21/36 approved.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 59, 62, 63 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 6/18/3...
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...
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...