1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 109, 111 Image is from a copy of the original on Mylar. Drawn by S. Belihound Nov-2...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 110, 112, 113 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: 111 Image is from a copy of the original on Mylar. Drawn by S. Belihound 12-23-36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 111, 112 Image is from a copy of the original on Mylar. Drawn by S. Belihound 12-22...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 88, 90 Image is from a copy of the original on Mylar. Drawn by S. Belihound 9-11-36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 102, 104 Image is from a copy of the original on Mylar. Drawn by M Hauser 9/1/36 ap...