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<br /> <br />D~ARTMENT OF TRANSPORT AnON <br />4201 East Arkansas Avenue <br />Denver. Colorado 80222 <br />(303) 757-9011 <br /> April 30, 1993 <br />Ben Urbonas <br />Urban Drainage and Flood Control District <br />Suite 156B, 2480 W. 26th Avenue <br />Denver, Colorado 80211 <br />Subject:Major Drainageway Planning <br /> Upper Lena Gulch Phase A Report <br /> Boyle Engineering Corporation <br /> January 1993 <br />Dear Sir: <br /> We have reviewed the Major Drainageway Plan for Opper <br />Lena Gulch. The report does not identify any drainage problems <br />or recommend increasing structure sizes at Lena Gulch crossings <br />of State Highways. We have no comments at this time. <br />DI<< t <br />:;arth Eri9lund, P.E. <br />Senior Hydraulics ngineer <br />GWE/sps <br />cc: J. Bumanglag, Region 6 Design <br />Hydraulics File <br /> <br /> <br />... <br /> <br />