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<br />, <br /> <br />,; <br /> <br />~ -.' <br />,i <br /> <br />UNITED STATES DEPARTMENT OF AGRICULTURE <br /> <br />SOIL CONSERVATION SERVICE <br /> <br />RB/WS Planning Staff, P. O. Box 17107, Denver, CO 80217 <br /> <br />February 16, 1977 <br /> <br />Mr. Robert W, Anzia <br />Howard, Needles, Tammen & Bergendoff <br />,- 1750 Gilpin St. <br />Denver, CO 80218 <br /> <br />Dear Mr. Anzia: <br /> <br />This office concurs with the use of the computer programs Water Surface <br />Profiles (WSP-2) and Technical Release 20 (TR-20) in your Plum Creek <br />Study. Peak flows developed by the TR-20 computer program checks within <br />reasonable limits to the Log Pearson Type III distribution frequency <br />determination at the Louviers stream gage station on Plum Creek. <br /> <br />Sincerely, <br /> <br />c-1 l. <br />{/i~/O <br /> <br />(~;, ~~0 <br /> <br />Erke C. King <br />Hydrologist' <br /> <br />, I <br />f/ <br />.' <br /> <br />RECEIVEOFEB 1 719n <br /> <br />~ <br />