Pg.62 #3025 Nevada Power House, from the downstream cofferdam. Jan. 28th, 1935. Pg.62 #3059 Diversion Tunnel No.1 Trashrack and counterweight assembly just prior to the diverting of the Colorado river into the tunnel. Feb. 1st, 1935. Pg.62 #3026 Arizona Power House, from the downstream cofferdam. Jan. 28th, 1935. Pg.62 #3054 Diversion of the Colorado River into Diversion Tunnel No.1 as the Gate on Diversion Tunnel No.4 is being lowered. Feb. 1st,1935.