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 ...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 94, 96 Image is from a copy of the original on Mylar. Drawn by S. Belihound Sept 19...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 95, 97 Image is from a copy of the original on Mylar. Drawn by S. Belihound Sept 1936.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 96 Image is from a copy of the original on Mylar. Drawn by S. Belihound 9-2-36 approved.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 94, 95, 96, 99 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: 98, 100 Image is from a copy of the original on Mylar. Drawn by S. Belihound 9-21-3...