1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 76 Image is from a copy of the original on Mylar. Drawn by M Houser 7/23/36 approved.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 75 Image is from a copy of the original on Mylar. Drawn by M. Housen 7/23/36 approved.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 78 Image is from a copy of the original on Mylar. Drawn by M. Housen 7/22/36 approved.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 77, 79 Image is from a copy of the original on Mylar. Drawn by M. Housen 7/24/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 80 Image is from a copy of the original on Mylar. Drawn by M Housen July 1936 approved.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 79 Image is from a copy of the original on Mylar. Drawn by M. Hauser 7/23/36 approved.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 80, 82 Image is from a copy of the original on Mylar. Drawn by M. Houser 8/14/36 ap...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 81, 83, 84 Image is from a copy of the original on Mylar. Drawn by M. Hauser 7/11/3...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 82, 84 Image is from a copy of the original on Mylar. Drawn by S. Belihound 7-25-36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 83, 85 Image is from a copy of the original on Mylar. Drawn by S. Belihound 7-22-36...