View of water powered flour mill at Chapman Lake in southern Spokane County, Washington. Gristmill was established by Ole Dybdall in the late nineteenth century.
Cheney State Normal School -- Field trips; Fossils; School field trips
Photo of what appears to be a class field trip. Eighteen or nineteen students appear to be looking for fossils on a hillside of sedimentary rock. Students' apparel, including hats, is indicative of the 1920s.
Dams -- Montana; Dam construction -- Montana; Hungry Horse Dam
Hungry Horse Dam is on the South Fork of the Flathead River in Montana. The dam was built as part of the Hungry Horse Project to provide hydroelectric power and flood control. At 564 feet, the dam is the 10th highest in the U.S.
Dams -- Montana; Dam construction -- Montana; Hungry Horse Dam
Photograph of construction workers pouring cement at the Hungry Horse Dam construction. The dam was built as part of the Hungry Horse Project to provide hydroelectric power and flood control. At 564 feet, the dam is the 10th highest in the U.S....
Dams -- Montana; Dam construction -- Montana; Hungry Horse Dam
Photograph of construction workers sand blasting at the construction of the Hungry Horse Dam. The dam was built as part of the Hungry Horse Project to provide hydroelectric power and flood control. At 564 feet, the dam is the 10th highest in the...
The lock is a single lift type, 86 feet wide and 683 feet long, with a 15-foot minimum depth over the sills. The vertical lifts average 75 feet. The lock is located on the Washington side of the Columbia River.
Architectural drawing of the McNary Dam, a 7365 foot hydroelectric dam that spans the Columbia River. McNary Dam is located one mile east of Umatilla, Oregon.