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<br />e <br /> <br />e <br /> <br />OBSERvED UNIT HYDROGRAPHS <br /> <br />DRAINAGE AREA <br />enisqmi. <br />4150ft.msl <br />585ft m,S,1 <br />2153fl m.I,' <br />960fl./mi. <br />19,Ofl/mi <br /> <br />CHARACTERISTICS <br />L 83 mi <br />Lca 406 mi <br />IL.L.caP.3 11,5 <br />DflAINAGE DENSITy 149 mi/sq mi. <br />MAP SCALE I :62,:iOO <br />METHOD OF FLOW SEPARATION TYPE C <br />BASIN SHAPE FACTOR 7.87 <br />ELEVATION IN FT M,S,L. <br />2000 3000 <br /> <br /> <br />30 <br /> <br />DRAINAGE AREA <br />MAXIMUM ELEVATION <br />MINIMUM ELEvATtON <br />MEAN ELEVATION ("'Igllled) <br />LAND SLOPE <br />MAIN STREAM SLOPE <br /> <br />1000 <br /> <br />" <br /> <br />4000 <br /> <br />100 <br /> <br /> <br /> , , <br /> .. <br /> ~ <br /> u <br /> ~ 20 00 ,. 4000 <br /> + <br /> l!l t <br /> ~ J <br /> i ~ <br /> ~ ~ <br /> ~ ,. '" 00 3000 " <br /> i!! ~ <br /> ~ ~ ~ <br /> ~ :;1 ~ <br /> '"', z i!! <br /> ~ <br /> r ~ " z <br /> II 040 + t H-+++-' 0 <br /> ;; 2000 ~ <br /> .. <br />'" ~ <br />'" J <br /> H ~ <br /> , 20 1000 <br /> <br /> <br />o <br />o <br /> <br />M .48 72 96 120 <br />TIME AFTER START OF RAINFALL EXCESS IN HOURS <br /> <br />20 40 60 80 <br />". CHANNEL OISTANCE FROM GAGE <br /> <br />100 <br /> <br />'" <br />t'" <br />:.- <br />~ <br />Z <br />9 <br /> <br /> DATA FROM OBSERvED utlllT HYDROGRAPHS <br /> AVE RAINFALL EXCESS L,p STAGE Op. Qp ',. " t, Ct. Cp640 Km T, <br />DATE OF RA1NFAl LEGEND P DURA ~lOI' AMOUNT tr~4 hr.. <br /> {in,} (hr.l (in.) (mi.) RECORO (cJ.s.) (d,s.l ~hr.l (hr.) (hr,) (hr.) (hr.l <br />(Il (21 (>1 (4) to) (0) (7) (0) (0) (IO) (Ill (l2) 1(3) (14) (I~) (16) <br />16-16 March 193$ (I 4.49 20 3.21 """" Rlc. 261!5,0 3~ 000 12.0 10.0 14.8 1.04 "0 12.2 14 <br />24-26 Aoril 1931- --(2 3.64 20 2,61 On$lr. Rlc. 19200 24 !5,00 14,7 12.0 22.4 1.28 323 18.8 I. <br />12&-28 October 1937 3.96 32 2.60 en.. Rlc. 21 !5,60 33 !5,00 13,~ 10,0 13.0 1.17 332 13.0 10 <br />1~-16 Mo 1942 . (4 1,74 0 0.6!5, Rle, 22950 24200 15.2 14.0 22.4 1.32 400 i5.8 10 <br />13-16 October 1942 !-..-<, 0,60 40 354 Dnatr, Rle. i4320 20300 18.5 10.0 26.5 1.61 303 13.4 I. <br /> <br />SUIMITTED I!IY <br />DISTRiCT ENGiNEER WASH DiSTRICT <br /> <br />ENGINEERING INVESTIGATIONS <br />UNIT H'fDROGRAPHS <br /> <br />PERTINENT DATA <br />NORTH BRANCH POTOMAC RIVER <br />NEAR CUMBERLAN~ M~ <br /> <br />- <br />..., <br />(il <br />::r <br />" <br />" <br />~, <br />- <br /> <br />OCT 150 1821 <br /> <br />o <br />- <br />~ <br /> <br />e <br /> <br />" <br />~ <br /> <br />- <br />- <br />~ f <br />~~'i' <br />lJll.: <br />=<~ <br /> <br />j <br />