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<br />o <br /> <br />,r-".-: <br />N <br />. ....] <br />~ <br />-J. <br /> <br />TABLE 1 <br /> <br />JOHN MARTIN DAM AND RESERVOIR <br />ARKANSAS RIVER, COLORADO <br /> <br />PERTINENT [lATA <br /> <br />DRAINAGE AREA: <br />Total drainage area <br />Sediment contributing drainage area <br /> <br />18,933 square miles <br />17,080 square miles <br /> <br />RESERVOIR OATA: <br /> <br />Features <br /> <br /> Original 1966 <br />Elevation Area Capaci ty Area Capacity <br />(Ft. , m.s.1. ) (Acres) (Ac.-Ft.) (Acres) (Ac.-Ft.) <br />3,851 - 3,870 17,875 278,639 17,881 (1)277 218 <br /> , <br />3,755 - 3,851 12,160 423,13/i 12,030 353,903 <br /> 701,775 631,121 <br /> <br />Flood control <br />storage <br />Conservation <br />storage <br /> <br />TOTAL <br /> <br />DAM: <br /> <br />Item <br /> <br />Earth Dam <br /> <br />Concrete Oam <br /> <br />South Wing <br /> <br />North Wing <br /> <br />Type <br />Length (overall), ft. <br />Crown width, ft. <br />Crest elevation <br />Maximum height, ft. <br />Freeboard, ft. <br /> <br />Overflow section <br />1,644 <br />21 <br />3,883 <br />118 <br />13 <br /> <br />Earthfill <br />3,880 <br />30 <br />3,880 <br />20 <br />10 <br /> <br />Earthfill <br />2,631 <br />30 <br />3,880 <br />115 <br />10 <br /> <br />Earthfi 11 <br />5,807 <br />30 <br />3,880 <br />100 <br />10 <br /> <br />SPILLWAY (Controlled): <br />Tainter gates". number and size <br />Spillway crest, elevation <br />Top of gates, elevation <br />Capacity, c.f.s. <br /> <br />Sixteen 64' x 3D' <br />3,840 <br />3,870 <br />639,000 <br /> <br />CONDUITS (Slide gate controlled): <br /> <br /> Invert Total Discharge Capacity <br />Purpose Number Size Elevation at Pool Elevation 3,870 <br />Sluicing 4 6' x 7'6" 3,764.25 11 ,800 c.f.s. <br />Regulation 2 4' x 4' 3,766.00 1,980 c. f.s. <br />TOTAL 6 13,780 c .f.s. <br />(1) Incl udes 10,000 acre-feet of recreation and wildlife storage made <br />available by Public Law 89-298. <br />