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<br />1965 <br /> <br />-- <br /> <br />~Inventory-of-physica~-fnctors~ <br /> <br />Land classifioation <br /> <br />The lands in the Canon City-Penrose area were classified by recon- <br />naissance surveys, the results of whioh are shown in the following <br />table. <br /> <br />Table 5.__Land olassifications <br />Canon City-Penrose area <br />( acres) <br /> <br />. <br /> <br />Class <br /> <br />Irrigated <br />reconnaiBsance <br /> <br />1 6 ''''-5 <br />. . . . . . . . \ ~ -:U <br />2 . ., _., e.. -. -- ,... 4 J 955 <br />_6 ., . ... .. .. ." .. 80 <br /> <br />To-Ga.::. . . a _'_ '_~II_ C ll,cioo <br /> <br />---- -- . <br />----- <br /> <br />~ <br /> <br />~-- <br />- -~---~~ <br /> <br />, <br /> <br />FcuntAin Valley area <br /> <br />This area includes all of the irrigated land in the Fountain River <br />Valley. none of which has been olassified, It is estimated that 15.000 <br />acres are irrigated vii th water from the ~;ountain River, A high propor- <br />tion of the lam thought to be irrigable is L"!"igated at present undor <br />nwnerous canal systems. <br /> <br />The soil is prinoipally alluvial doposits. originating from erosion <br />of the headwaters area and from the upland on either side of the Fountain <br />River, Uplands on either side of the river are underlain by Pierre shale. <br />When the deposits have largely originated from this formation the soil <br />is either silt loam, clay loam, or clay. Howover, a largo part ,of tho <br />soil is fino sandy loam and is quito productive, <br /> <br />Drainage is not a problem in any part of tho prosently irrigatod <br />aroa, However, drainago problems might ariso if SOIllO of tho heavior <br />soils were irrigated. <br /> <br />Alkalinity and salinity are not serious in any part of tho pros- <br />ontly irrigatod area, <br /> <br />. <br /> <br />.- -'-- <br />--- - <br /> <br />10 <br />