The surface area of the reservoir at maximum capacity is 2,720 acres. During the 1939 season, concrete placement in the outlet works was completed except for the control house and spiral stair shaft. The maximum width of the base from upstream toe to downstream toe is 900 feet, and the crest is 35 feet wide. On January 3, 1940, the Office of Indian Affairs and the Bureau of Reclamation signed a memorandum of understanding wherein the Office of Indian Affairs would pay one-sixth of the reimbursable costs of construction of the Vallecito Dam. The winning bid was $14,592.66. Placement of embankment materials began in late June, following completion of stripping operations. Shallow running crankbaits and plastic baits, cast into these areas, will take the bass. In 1912, the Pine River Ditch and Development Company looked into possible developments to provide supplemental water. The territory purchased included the main body of the mountains and all of the prospective mineral land. It impounds the Los Pinos River for irrigation water storage. Farming was practiced on a small scale along the Mancos, La Plata, and Animas Rivers before the ceded lands were purchased from the Southern Utes. By the 1920s, all lands that could reasonably be developed using the available water supply had been taken up, leaving several thousand acres of potentially productive land undeveloped. Vallecito Dam prevents the flooding of crops, farmland, and structures along the river during spring runoff by storing the floodwater for controlled releases to benefit irrigation. A temporary diversion channel was excavated during July and August, and on October 15, following completion of stripping operations on the left side of the river, the river was diverted through the temporary channel. The earliest inhabitants of southwest Colorado were likely big game hunters of the Paleo-Indian era, about 10,000 to 5,500 B.C. Not only does Vallecito lake have a large variety of fish to catch but also has some of the largest fish in the areaâjust waiting to be caught by you! By December 31, 1939, sixty-seven percent of the work under the main contract had been completed with only forty-six percent of the contract time having elapsed. No condemnation proceedings were necessary. The primary sources of water for the project are the Pine River and Vallecito Creek. The maximum flow through the outlet works is 3,000 cubic feet per second (cfs). The first ditches served the Indian Agency and a few small farm tracts. Continued mineral exploration in the San Juan Mountains of southern Colorado increased pressure on the lands of the Southern Ute. Before concrete operations were halted due to freezing weather, the trashrack structure, 400 feet of the outlet conduit, and a large portion of the gate chamber had been placed. In addition to clearing the roadway, CCC and Government forces installed a total of 2,500 feet of metal pipe culverts ranging from 18 to 48 inches in diameter. Concrete operations resumed on May 2, 1939, and continued until November 27. It was not until the reservation was opened for homesteading on May 4, 1899, that settlement really began. Vallecito Lake. Conditions reports for this lake are available when. In 1879, Indian Agent Nathan Meeker attempted to establish a model agricultural community. Vallecito Lake is a beautiful, secluded mountain valley just 18 miles from Durango. In 1938 there remained about 200,000 acres of former reservation land that had not been settled. The first USGS survey of Colorado was conducted by John Wesley Powell in 1868 and 1869 as part of his exploration of the Colorado River. In October 1930, the United States District Court for the District of Colorado awarded the Pine River Indian Agency the prior right for the use of 213 ac/ft of water from the Pine River establishing the date of the 1868 treaty as the priority date. Following suspension of embankment placement operations, the contractor began placement of rock riprap. In a memo dated May 28, 1941, the construction engineer, C.A. This territory was located on the Southern Ute Reservation. Construction of the government camp by government forces began in September 1937. The contract further stated that the Pine River Irrigation District would contract with owners of existing ditches for distribution of project water. The primary sources of water for the project are the Pine River and Vallecito Creek. In 1849, the first official treaty between the Ute and the United States Government, the Calhoun Treaty, was signed. The San Juan National Forest and Weminuche Wilderness, over 2.5 million acres of public land, surround Vallecito Lake. Construction was started in mid-October, and was completed and accepted in late December 1938.
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