1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 49, 51 Image is from a copy of the original on Mylar. Drawn by M. Hauseu May 1936 a...
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1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 50, 52, 54 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 5/18/3...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 51, 53 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 5/20/36 ap...
1936. Project: ST-70 Scale: 1:100 Connects to Sheet: 46, 48 Image is from a copy of the original on Mylar. Drawn by Bruce Larrabee 4/12/36 approved.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 52 Image is from a copy of the original on Mylar. Drawn by M. Hauseu 6/1/36.
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheet: 55 Image is from a copy of the original on Mylar. Drawn by Bruce H. Larrabee 5/22/36...
1936. Project: ST-70 Scale: 1:1200 Drainage Basin Connects to sheets: 54, 56 Image is from a copy of the original on Mylar. Drawn by R.W. Morris 5/27/36 ...
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...