1936. Project: ST. 70. Scale: 1:2400, vertical scale 1:120 Image is from a copy of the original on Mylar. Drawn by A.L. Brooks 7/20/36 topography taken A...
1937. Project: S-F2-198 Scale: 1:2400,.5:12, vert. scale 1:120 horz. scale 1:480 Image is from a copy of the original on Mylar. "completed under W.P.A. 1...
1937. Project: S-F2-198 Scale: 1:2400,.5:12, vert. scale 1:120 horz. scale 1:480 Image is from a copy of the original on Mylar. "completed under W.P.A. 1...
1937. Project: S-F2-198 Scale: 1:2400,.5:12, vert. scale 1:120 horz. scale 1:480 Image is from a copy of the original on Mylar. "completed under W.P.A. 1...
1937. Project: S-F2-198 Scale: 1:2400,.5:12, vert. scale 1:120 horz. scale 1:600 Image is from a copy of the original on Mylar. "completed under W.P.A. 1...
1937. Project: S-F2-198 Scale: 1:2400 Image is from a copy of the original on Mylar. "completed under W.P.A. 1937" For notes on elevation equality see sh...