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Libby Dam is a concrete gravity dam in the northwestern United States, on the Kootenai River in northwestern Montana. Dedicated on August 24, 1975, [ 2 ] [ 3 ] [ 4 ] it is west of the continental divide , seventeen miles (27 km) upstream from the town of Libby .
The Federal Energy Regulatory Commission, which regulates about 1,800 power-producing dams, categorizes dam inundation maps as critical infrastructure information that “could be useful to a ...
The Federal Energy Regulatory Commission, which regulates about 1,800 power-producing dams, categorizes dam inundation maps as critical infrastructure information that “could be useful to a person planning an attack” and requires those receiving such information to sign non-disclosure agreements.
The Army Corps of Engineers, which also had shielded certain information about its dams, began posting dam inundation maps online in late 2021 after determining that releasing the information ...
Chester Morse Lake (originally Cedar Lake) is a lake in the upper region of the Cedar River watershed in the U.S. state of Washington.The original lake surface was 1,530 feet (466 m) above sea level, but when the river was dammed in 1900, the elevation was raised to 1,560 feet (475 m).
Map of Pleistocene lakes in the Western US, showing the path of the Bonneville Flood along the Snake River. The Bonneville flood was a catastrophic flooding event in the last ice age, which involved massive amounts of water inundating parts of southern Idaho and eastern Washington along the course of the Snake River.
The Bureau of Reclamation said in response to questions from the AP that it is revising its policies and will start sharing more information about dam-failure inundation zones in 2025, though it said the process could take more than eight years to complete for all its dams.
The Sepulveda Dam is a dry dam constructed by the U.S. Army Corps of Engineers to withhold winter flood waters along the Los Angeles River.Completed in 1941, at a cost of $6,650,561 (equivalent to $137,766,000 in 2023), it is located south of center in the San Fernando Valley, approximately eight miles (13 km) east of the river's source in the western end of the Valley, in Los Angeles, California.