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<br />Replace existing culvert at Youngfield Street with a 51 Double 12' x 10' ReS culvert.
<br />Construct erosion control improvements upstream of 20th Avenue.
<br />Construct 1 O-year capacity trapezoidal grass-lined open channel
<br />Construct 1 O-year capacity trapezoidal grass-lined open channel
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<br />11-2
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<br />FIGURE
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<br />PHASE A
<br />RECO MMENDED
<br />AL TERNA TIVE PLAN
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<br />MAJOR DRAINAGEWAY PLANNING
<br />UPPER LENA GULCH
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<br />URBAN DRAINAGE AND FLOOD CONTROL DISTRICT
<br />JEFFERSON COUNTY, CITY OF GOLDEN. CITY OF LAKEWOOD
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<br />DESIGNED
<br />OJlltAWN
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