1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connected to sheets: 16, 18 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 4/16/36.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 25, 28 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 4-16-36.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 26, 28 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 4/14/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 28, 30 Image is from a copy of the original on Mylar. Drawn by M. Hauseu April 1936...