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<br />Unilcd Slil(e:, DepartmC'nt of the Interior
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<br />CH)jJ JGICAL ',I:I( VEY
<br />B~lX ~50'~6
<br />Jkr,\'cc r('(:era! Center
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<br />Water Resources Division
<br />Colorado District
<br />r~a il Stop 415
<br />
<br />December' 15, 1977
<br />
<br />HO!dard Neod: e:; Ta!r:~nen and B2rgerldoff Engineers
<br />;\ttn: Eo Gh-iasi
<br />7500 West Mississippi Avenue
<br />Lakc\J00CI, Colorado 80226
<br />
<br />Dear Mr. Ghiasi:
<br />
<br />~:." haw checked th'~ weighted average discharges for the strcc,m gaging
<br />station lccat~ci cn Middle 80ul~~~ Creek at Nederland, Colorado (Station
<br />Numkr OG725~()0), Th~ 10-,50-'3100-, and ~OO-ycar vleighted3av~rage
<br />discharges are 637 ft~!s, 820 ft !s, 892 ft Is, and 1,060 ft Is, res-
<br />pectively. The vleighted average discharge, shown for this otation on
<br />Pase 52 of Technical ~iar.ual ,\:0. 1, ~!anual for Estimating Flood Char'lc-
<br />teristi::s of Natu;-ai -Flo\'1 Streams in Colorado by f1cCain and Jarrett are
<br />i nco'('rcc t:..
<br />
<br />Sincerely,
<br />
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<br />\,J. E. Biesecker
<br />OJ strict Chief
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<br />RECEIVED DEe 2 0 lSll
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