|
<br />
<br />States in the area of land recelvtng its entire
<br />
<br />water supply from streams.
<br />
<br />Irrigation Summary: 196D-:-1920
<br />(Source: U.S. Census of Irrigation 1960)
<br />
<br />Census
<br />year
<br />
<br />All Irrigated
<br />farms All land in farms
<br />(number) farms (acres) (number)
<br />
<br />Irriga ted
<br />lands in
<br />farms
<br />(acres)
<br />
<br />1959. . . . .. .. 33,390 38, 813, 392 20,312 2, 684, 757
<br />1954. . . . . . .. 40, 749 38,385,234 23,355 2, 262, 921
<br />1950. . . . . . ., 45,578 37, 953, 099 27, 121 2, 872, 348
<br />1945. .... '. 47,618 36, 217, 808 28,054 2, 698, 579
<br />1940. . .. . . . . 51, 436 31,527,240 29, 766 2, 467, 548
<br />1935. . . . . . .. 63,644 29, 978, 472 (*) (*)
<br />1930. . .. .. .. 59, 956 28, 876, 171 (*) (*)
<br />1920.. . .. -, 59, 934 24,462,014 (*) (*)
<br />
<br />*Not Available.
<br />
<br />The total number of water storage dams and
<br />reservoirs in Colorado is over 1,900 with a total
<br />storage capacity of approximately 4,540,000
<br />acre-feet. The surface area of these reservoirs
<br />exceeds 205,000 acres. The highest dam in the
<br />State is the earth fill structure known as the
<br />Green Mountain Dam, located in Summit
<br />County, which has a maximum height of 309
<br />feet. Built by the Department's Bureau of
<br />
<br />Snow-capped Longs Peak is in the background of this
<br />view of Olympus Dam Spillway on the Colorado-Big
<br />Thompson Reclamation Project.
<br />
<br />30
<br />
<br />Reclamation, it not only is the high,
<br />in the State, but it also ranks among the
<br />earth dams in the NatiSJn.
<br />The U.S. Army Corps of Engineer
<br />Martin (Caddoa) Reservoir is the largei
<br />State, with a capacity of 645,500 acre-
<br />a maximum surface area of 18,400 acre
<br />Colorado has several important Water
<br />constructed for the purpose of divertio
<br />to be used in irrigating the land. Some
<br />are trans mountain water diversion
<br />Construction has started on sever,
<br />of the Colorado River Storage Proj
<br />Congress has authorized the Fryingpan-i
<br />Project which will divert some 69,000
<br />per year from the Colorado River Ba
<br />the Arkansas River Basin.
<br />
<br />Major Bureau of R::c1amation Proj::ct
<br />structed and Under Construction in C<
<br />
<br />Name of Project
<br />
<br />Start 01
<br />ccnstruc
<br />tion
<br />
<br />Curecanri Unit, Colorado River Storage.
<br />
<br />Florida. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
<br />Smith Fork. . . . . . . . . . . . . . . . . . . . . . . . . . .
<br />
<br />ColI bran. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
<br />San Luis Valley Conejos Di vision (Platoro
<br />Reservoir). . . . . . . . . . . . . . . . . . . . . . . . . .
<br />St. Francis Unit,Missouri Ri ver Basin
<br />(Bonny Reservoir) ..................
<br />
<br />Paonia; . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
<br />Mancos. . ... . . . . . . . . . . . . . . . . . . . . . . . . . . .
<br />Colorado-Big Thompson. ... . . . . . . . . . . . .
<br />Fruitgrowers Dam. ............. ...... .
<br />Pine River. . . . . .. .. .. .. .. .. .. .. . . .. . . .
<br />Grand Valley. . . . . ..... .. .. . . .. .. . . . .
<br />Uncompahgre. . . . . . . . . . . . . . . . . . . . . . . . .
<br />
<br />1961
<br />1961
<br />196C
<br />1957
<br />
<br />1949
<br />
<br />1948
<br />1948
<br />1941
<br />1938
<br />1938
<br />1938
<br />1912
<br />1904
<br />
<br />The U.S. Army Corps of Engineer
<br />various projects for flood control and (
<br />tion. Among these multiple-purpose
<br />is Cherry Creek Dam and Reservoir, a
<br />miles southeast of Denver, represen tin,
<br />of the Comprehensive program for the
<br />River Basin. The Geological Surve)
<br />Department of the Interior campi
<br />relative to both surface and undergrou:
<br />possibilities. The Forest Service and ~
<br />servation Service of the Agriculture De
<br />are also conducting research and con
<br />and developing small watershed pro
<br />improvement of water conservation I
<br />
|