Logan Canyon, Utah. Second Dam, ca. 1903. Logan River below Second Dam, showing intake flume of Hercules Power Plant. Black and white photograph (7.5 x 9.5 in) mounted on board
Spillway of the State Power Plant at First Dam in the mouth of Logan Canyon, Utah, taken from the east side of the dam. 1920s. Black and white photograph (5 x 7 in) mounted on board