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. '. " . . /: :I~ {' ','. "3'';';:' 6. In addition to the abo've-dc;;crihed major im~p-rovements and- ex- clusive of emer~ency repairs during floods, the Corps of Engineers con- structed 16 emergency flood control projects prior to 1065 in the Arkansas River Basin in Colorado at a total Federal cost of about $494,000. These consisted of snagging and channel clearing, emergency bank protection, emergency repairs to existing flood control works. and flood fighting operations, ~Iost of the work was done in or near cities and towns, including Las Animas. Federal costs varied from about $4,000 to about $ 75,000. Furthermore, the Corps of Enginee~l's expended about $ 277 ,000 on flood emergency operations and rehabilitation of damaged flood con- trol facilities following the 1965 fiood in the Arkansas River Basin in Colorado. This work was accomplished under authority of Public Law 99. The Corps also collaborated with the Office of Emergency Planning in carrying out provisions of Public Law 875. 7. The only other Federal agency that has completed water resources improvements in the Arkansas River B,,<sin in Colorado, other than those of an emergency nature, is the Soil Conservation Service. This agency, in addition to the regular land treatment pr0gram carried on through organiz.ed soil conservation lhstricts; has constructed or contemplates construction of a number of flood"..t"T retarding structures under the watershed prol,:ram :luthorized by tllC \v:n:eTshcd Protection and flood Pre- vention Act (Public Law 566. as "mended) _ In the upper watershed of Big Sandy' Creek above Limon, 14 structurcs have been completed. Three retardation dams have heen completed on Limon Creek, a tributary to the 8ig Sandy. T\;o structures have been completed in the Fishers Peak- Carbon Arroyos watershed near Tdnidad.. Part of the city is included in the project aIea and ,will benefit by the protection afforded. Four structures are planned for construction in the Vine land area about 10 miles east of Pueblo. A plan for floodwater retarding structures and channels on Cheyenne Creek., near the Colorado-Kansas State line, is being prepared, - ------------- -------------------------- -------- ~ '. 8, TIlere arc more than 200 small reservoirs constructed by local interests in the Arkansas River Basin in Colorado, These reservoirs arc primarily for irrigation storage hut they also provide local flood control and domestic and industrial water supply. The largest of these is the Great Plains Reservoirs system, a series of off-channel reser- voirs located northeast of John ~lartin Dam. This system has an aggregate capacity of 100,000 acre-feet. Other's are Adohe Creek Reservoir on Adobe Creek with a capacity of 62,000 ac~e-feet; Twin Lakes with a capacity of 55,000 acre-feet; Cucharas and T"o Buttes Reservoirs on Cucharas River and T"o Butte Creek" each "ith a cupacity of 40,,000 acre-feet; and lIorse Creek Reservoir on lIorse Creek "ith a (:apacity of 2'J ,000 acre-feet. 9. ~Iajor flood control improvements constructed by local interests in the Arkansas Basin are the Ilarrier Oam and Puchlo Flood"ay. These improvements were built on the Arkansas River in 1924-25 hy the Pueblo Conservancy District which was o~ganized soon after the disastrous flood of 1,/21 for the purpose of providing flood protection to the city of 3