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<br />FORSGREN <br />ASSOCIATES / INC_ <br />A COMPANY OF ENGINEERS AND SCIENTISTS <br />July 10, 2003 1 ~ <br />Mr. Wally Ericksonv ~ ~ <br />Division of Minerals and Geology <br />701 Camino Del Rio, Rm 125 <br />Durango, CO 81301 <br />RE: Bridal Veil Construction Sedimentation Pond Design <br />Dear Wally, <br />J(,~+ <br />`~ ?C03 /~ <br />~'al~o nMgo q~ ~~e <br />~Ri~~~ i/Et~ Ott- <br />As was discussed with Brian Briggs, the design of the sediment pond on Bridal Veil Construction <br />property curcently being mined, is for an event of 10-years and 24-hours. Forsgren Associates <br />personnel have fmished the pond design and I am enclosing drawings of both the access and <br />sedimentation pond. Upon approval of this new access, FA will revise the CDMG permit to <br />include the new access, while abandoning the curcent access. <br />For your convenience, storm event calculations have been enclosed with the drawings. Should <br />you have any questions or comments, please feel free to contact me at (970}325-4320. <br />Sincerely, <br />C./,~-,~E /~~- <br />Chad E. Glover <br />Civil Engineer <br />Enclosure (7) <br />~~ <br />~G ~~~~ <br />~. ?f~ `~~ <br />OJ <br />A <br />Y Re~ei~ed <br />~-. . <br />A COMPANY OF ENGINEERS AND SCIENTISTS PO BOX 738 / OURAY, CO 81427/ (970) 325-4320 /FAX (970) 325-0624 <br />REXBURG /BOISE /WYOMING / WENATCHEE /SALT LAKE CITY/ SACRAMENTO /COLORADO <br />www./orsgren.com ~ <br />