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Last modified
1/29/2010 10:11:52 AM
Creation date
10/5/2006 12:05:37 AM
Metadata
Fields
Template:
Floodplain Documents
County
Dolores
San Juan
Community
Four Corners
Stream Name
San Juan, Dolores, Uncompahgre Rivers
Basin
San Juan/Dolores
Title
Office Report on the September 1970 Floods Upper Colorado River Basin Four Corners Area
Date
1/1/1971
Prepared For
State of Colorado
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Flood Documentation Report
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<br />19. In Silvertan, Colorado, noodwaters from Mineral Creek a trib- <br />utary to the Animas River, damaged a water system, the city sewage <br />lagoon, two gas stations and county and state roads. Below Silver- <br />ton, the .Animas River destroyed large sections of the narrow gage <br />railroad which transports thousands of tourists each year from <br />furango to Silverton, Colorado. In the high mo.mtain areas damage <br />to public and private facilities and roads occurred on streams <br />tributary to the Animas River. <br /> <br />20. Above the city of Durango the Animas enters a large valley of <br />agricultural land that noods whenever a major storm occurs. The <br />floods of September 1970 damaged several thousand acres of farmland, <br />two resorts and several homes and trailers, along with cars, tru.cks <br />and campers. Below Durango the Animas River rose approximately 5 <br />feet resulting in minor damage to fields, roads, and irrigation <br />facilities. In Aztec, New Mexico, and Durango, Colorado, city parks <br />sustained minor flood damage and in Farmington, New Mexico, emergency <br />flood measures were initiated including the mass evacuation of river- <br />side swellings. The LaPlata River remained in control except for <br />the area immediately belolJ the community of Hesperu.s where damage <br />to irrigation facilities, roads and bridges occurred. Ch the Mancos <br />River minor damage to headgates occurred. Flood fightingimd minor <br />sewer line damage were the only damage items reported by the town <br />of Mancos. On the Florida River the only damage items reported <br />occurred to facilities located above Lemon Reservoir. <br /> <br /> <br />21. Damages in the Dolores River watershed were relatively light <br />except for a few locations. In upper elevations the storm caused <br />damage to roads, bridges, and recreation areas. In the town of <br />Rico, Colorado, the bridge serving the West Rico base I!Iltal mines <br />was washed 'out, and a bulkhead along the river protecting residen- <br />tial properties was damaged. Downstream of Rico many irrigation <br />facilities and pasturelands bordering the river were damaged. In <br />the vicinity of the community of Dolores, Colorado, channel <br />capacities easily carried the nows, but below the town damage <br />occurred to roads, irrigation facilities, and pasture. A recently <br />completed waterline' and access road along Big Canyon Creek (a <br />tributary to the Dolores River) serving the city of Dove Creek were <br />destroyed and the water pumps silted. On Disappointment Creek <br />floodwaters damaged roads, bridges and irrigation facilities. The <br />San Miguel River and its tributaries created some problems in the <br />higher elevations as in other headwater areas by damaging roads <br />and bridges just before the first heavy snows of the season making <br />all but ilIImediate emergency repair a problem. At Naturita, Colorado, <br />local inflows from unnamed tributary streams caused residential and <br />commercial damages to the town; also the town water system was <br />damaged by floodflows from the San Miguel River. On Dry Creek, a <br /> <br /> <br />.^.' :,: <br /> <br />13 <br />
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