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E44 FLOODS OF 1965 IN THE UNITED STATES rains started on the evening of June 9. Precipitation data collected at hearby Weather Bureau stations are tabulated, in inches, below: SUMMARY OF'FLQODS E45 TABLE I5.-Flood stages and discharges in the Green River basin, June, in south,. western Wyoming JUNE IN SOUTHEASTERN WYOMING Precipitation W1!S reported at all Weather Bnreau stations along the eastern slope of the Medicine Bow Mountains in southeastern Wyoming on June 10 (fig, 21). The upper area of the Little Laramie River basin was subjected to a particularly heavy rainstorm on this date; The nearest Weather Bureau station is at Centennial, where 2.01 inches was reported for June 10 and 0.67 inch for June 11. This precipitation, plus the snowmelt due to the rain, combined to produce peaks of record at both Little' Laramie River gaging stations (table 16, sta. 1,2). High peak discharges were also recorded at two partial- record sites-Fourmile Greek (sta. 3) and Sevenmile Creek (sta.4). The peak discharge at Little Laramie River near Filmore (sta. 1) was 1.4 times the previous maximum of record-2,400 cis in 191~and the peak discharge at Little Laramie Rive at Two Rivers (sta. 2) was 1.3 times the previous maximum of record-l,800 cIs in ]91"- Fort Bridger, Ch\ll'Ch Bu~ Manila, Wyo. Gas Plant, Utah Wyo. No. Stream and place of d~term.ina.tion June 9._..~_. .___..._._.________uu..__un -~...._-------... 10.~___,____.....______.,;....u._______._....___________. U::::::::::::::::::::::::::::::::::::::::::::::::::::::: , L42 ," .18 0.37 , 15. ..17 .47 .30 ... .10 2 East Fork of Smith Fork near Robertson. 3 West Fork of Smith Fork near Robertson. 4 BlacksForknearLyman.___ 1 Blacks Fork near Millburne._ Maximum peak discharges of record were recorded at most stream- gaging stations in this area (table 15) . Where determinable, most peaks exceeded the discharge of the theoretical 50-year flood. Roo-V:}' flood damage was sustained by residents in Mountain View and by rancherS who had prop~rty on the floodplains. Several bridges ware damaged or destroyed on both State and ooUllty roads, .5 Blacks Fork near Little America. 6 Summers Dry Creek near Green River. 7 ~~~ Hollow near Burnt- 8 Henrys Fork near Lonetree__ 1100 EXPLANATION .2 Flood-determination point Number CQr..e~ to that in table 15 x Precipitation station Gnng'" <:... ~ 9 Middle Fork Beaver Creek near Lonetree. 10 Burnt Fork near Bumtlorkn WYOMING 11 Henrys Fork at Linwood, Utah. 1 Roourrence interval. in years. 2 At site and datum then in use. S Affected by icejam. f Not detenn1ned. 41' o McHinnon tfork WYOMING --- UTAH--:;:nila UINTA MTS 5 0 1",,1 5 1 10 MIl.ES 1 FIGURE 2O.-Location of dood-dete.rmination points, floods of June in southwestern Wyoming. __~~~~m.~~~umm-i2" ~~ i:~ n--HISh 1939-65 1953 .hU"_" 7.94 1,200 _.nnun __.__nnnn___n_ 10 6.75 1,4.50 140 1939-65 1950 m___nn 3.(6 920 ___m____ n__nn........... 10 3.60 2,100 2.0 1938-57 1952 mn_.... 238.17____________________ 1962-65 1953 ___un..n__U.n" 2,90) .u.n'n_ ......__...u...w 11 12.68 7,960 (4) 1962-& 1964 .__h.m. 6.96 2,810 _____nn_ .__.nn_mm____ 13 10.90 9,980 (4) _.__hU.~___._____ 10 9.63 3,230 (4) Manmum floods D'_ area. Known before (sq mi) June 1965 June '''' Gag. height (feet) Period Year 156 82 37.2 821 3,100 423 6.57 u.un___hhhh. 10 56 1941H'15 1953 mmm_ 6.28 .h....nnnnn__ 10 6.30 28 1949-65 1953 mm_m 3.98 ___mm__.mu__ 11 4.36 52.8 1943-65 1962.hnm__ 8.13 .........._________ 10 (4) 520 192!;H)S 1936 m..um 27.19 1959 _h....___ 9.42 _________*_____.___ 10 8.21 Discharge crs Ratio t,Qoo 7.98 620 (4) 1,860_m__m_ 2,010 1.7 663______..___ 775 1.2 599..________ 3,200 2.9 6.75Ommm_ (f) .m_m__ 5,920 1.2