Flume (abandoned)

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"A flume is a human-made channel for water in the form of an open declined gravity chute whose walls are raised above the surrounding terrain, in contrast to a trench or ditch."
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"For more than 50 years, the Ganado Irrigation System was the economic centerpiece of the Ganado community. However, beginning in 1981, water diversion and irrigation were discontinued due to concerns over the safety of the Ganado Dam. In 1995 the safety issues were corrected through the Bureau of Indian Affair's (BIA) Safety of Dams program, which resulted in the rehabilitation of Ganado Dam. Shortages of water in Pueblo Colorado Wash delayed filling the reservoir until 1998. By early 2000, irrigation capability was restored to approximately 137 acres developed for agriculture. Heavy silt deposition, failure of certain structural features, and vegetative growth within the main canal and laterals have rendered much of the system highly inefficient or inoperable, hindering the distribution of water. Consequently, many agricultural fields that once were irrigated are now dryland farmed or fallow."
core.tdar.org/collection/27632/navajo-nation-ganado-irr...