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RECEIVED • <br />F ~'~ 0 3 20U~ <br />piyi6ipn oI Minerab 3 Geology <br />January 25, 2000 <br />__ <br />71dt1eApplegate,lnc. <br />Consultants for Land, Mineral and Water <br />Christina Kamnikar <br />Division of Minerals and Geology <br />13]3 Sherman Street, Room 215 <br />Denver, CO 80203 <br />iiiiiiiiiiiiiiiiiii <br />999 <br />RECE'' ,... . <br /> <br />DivisionOiMine~,..: _ .....ap <br />., RE: Technical Adequacy Review Response Riverview Resources M-99-098 <br />` Dear Ms. Kamnikar: <br />This letter is written in response to your Technical Adequacy Review of the above <br />described permit of your letter dated December 16, 1999. Following are the responses to <br />the Technical Adequacy Review, which is formatted in the same numerical order as your <br />letter. <br />1. The asphalt plant is a permanent structure. After reclamation, the plant will be <br />demolished. <br />2. A backfilled slope cross section has been added to Exhibit F. In addition, inert <br />materials used for backfill will be in accordance with Rule 1.1.1(20) which will <br />include earth, sand; gravel, rock, concrete which has been in a hardened state for <br />at least sixty days, masonry, asphalt paving fragments and other inert solids. <br />3. The maximum amount of shoreline, which will be left exposed prior to <br />~ backfilling, will be no more than 1,500 feet. <br />Alm ~ 4. New Exhibit C and F Maps have been submitted. These maps have been adjusted <br />to accurately depict the location of fencing, and the actual size of Rocky Road. <br />5. Attached, please find an analysis of the hydrological concerns as presented by <br />Tom Shreiner in his memo to the DMG. The attached reports from Dana Moore <br />and Kyle Whitaker address Mr. Shreiners comments. <br />6. The construction of the liner will be in conformance with the State Engineer <br />Guidelines for Lining Criteria for Gravel Pits, July 99. In addition, a typical <br />reclaimed slope cross section is shown on Exh~it F. This cross section details the <br />reclaimed liner and installation. <br />11990 Grant St. • Suite 304 • Denver, CO 80233 5441 Boeing Drive. • Suite 200 • Loveland, CO 80536-8855 <br />(303) 452-6611 • Fax (303) 452-2759 (970) 461-9884 • Fax (970) 613-1177 <br />