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<br />...' <br /> <br />Roads Acro~s the Stre~m <br />S~nd8rson Gu Ich is crossed by Wads",orth and Sheridan <br />Blvds. and West Jowel Avo. besldessevoral small access roads, <br />North Sanderson Gulch Is crossed by Wadsworth Ave., State HIghway 6 <br />onPlerceStreet,,,ndthreeloclIl streets, BothstreamsareclIrried <br />through all of the roadways by culverts. Major floods of the size <br />studied In this report will excead the culvert capacities and over- <br />top a portion of the roadways. <br /> <br /> <br />. <br /> <br />Obstructions to Flood Flows <br />The roads and dams create mInor obstructions to flood <br />flows on Sanderson and North Sanderson Gulches, Tho backwater <br />effects of the obstructions are shown On the profIles and by the <br />Reference Point tabulations, pages 59 _ 68. <br /> <br />LookIng upstream at Sanderson Gulch <br />In Green ~bles golf course. <br /> <br />/ <br />. <br />/ <br />~ <br /> <br /> <br />l <br /> <br />"eM <br /> <br />, '-':I <br />..-..",", .-. <br />... .. <br /> <br />... <br /> <br />" <br /> <br />~orth $an~crson Gul~h downstream of <br />Quay Dri~a. <br /> <br />10 <br /> <br />2t <br /> <br />I <br />