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<br /> 3,000, I ~T --T--r -,-------,--- ______n__ <br /> HYDROGRAPH and MASS CURVES <br /> I i foe <br /> I .~. STORM OF AUGUST 24-25, 1971 <br /> I .t <br /> 2,700- -- -I- I ---------- <br /> --- - ~-IA- DUCK CREEK NEAR GARLAND, TEX. <br /> DrainagE! Area 31.6 sq mi <br /> UNITEDSTATESGEOLOG1CAL-5URVEY <br /> 2,400- VI ---- WATER RESOURCES D1VmON <br /> W TEXAS DISTRICT <br /> J: + III ischarge . Storm";-;;noff for period = 1 110 ae-_ft. <br /> <J <br /> Z u_ ~_ <br /> 2,100- ---- - ----- .. <br />0 Z I II J <br />z ~ I il-- <br />0 <br /><J 1,800- <br />w u.. <br />CO u.. I I I <br /> a I <br /> I <br />'" z -+i I <br />w 1, 500j ::J <br />"'- '" I <br />f- a <br />w z i i . <br />w '" I .~ <br />u.. 1,200 4.0 t --i--r- <br /> ...J , <br /> , '.' I I <br /><J ...J , 1 , <br /> , <br />~ '" ccumulated rainfall <br />'" u.. <br />::J 900 z 3.0 +-- ..~--t-- <br /><J ~ ~ll__ , <br /> '" I <br />z at. I <br />~ <br /> 600 a 2.0 <br /> w d \ <br />w f- 1"'\ <br />'" '" <br />at. ...J II ' Accumulated runoff I <br />'" 300 ::J 1.0 I 1 ~\ I \ T <br />J: :E Ii ' j <br /><J I ::J j <br />VI <J i " <br /> <J <br /><> OJ '" 0 ~ I <br /> 0000 21+00 120C 2L,.00 12.00 21000 <br /> <br />Aug. 24, 1971 <br /> <br />Aug. 25, 1971 <br /> <br />Aug. 26, 1971 <br /> <br />-60- <br />