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~. III IIIIIIIIIIIIIIII` 999 ~ STATE DIVISION OF MINERALS AND GEOLOGY Ceparlmem ul Natural Fesuun:co 131 J Sherman 51., Foam ? I5 Denver, Culomdo SO'_OS Phone U031 a66-7567 FA%: 1303)US2-8106 July 24, 2001 COLORADO r~.~~~(~~ tdlf~~~P~~ DIVISION O f ~~~~e~ ~'IL~ ~O i®V/PY MIN &RA L S C r~ l 4 GEOLOGY ~~~~C~ ~_/4 ~'p" a MENING SAF EOTY PTIT~.~~n"• wl ~LL. V I~r~~~' BillOwens k~.,(1 ( Governor ~~ GreR E. Walther a Execunvc Dlrenor `~ ael B. Long O' /~~ i ®[lor Re: North Farm Road Pit #I, Permit M-1977-140, Amendment AM-Ol Approval and~~e~'eo~~ Revised Bond Estimate. `t'zoyy Tom Mathias Mathias Concrete, Inc. 1500 North Farm Road Monte Vista, CO 81144 Dear Mr. Mathias, 1 have reviewed your most recent submittal toward satisfying the outstanding adequacy issues for the above-named amendment application. The submittal met the last of the requirements for approving the amendment. On July 20, 2001, I approved the amendment, and began the bond recalculation. Enclosed you will find the bond recalculation packet, which incorporates the changes in acreage of the various operations and reclamation measures. The new total bond total is $36,355, which reflects an increase of $3,491 over your present total bond. Much of the reclamation plan in effect now (after approval of this amendment) incorporates details from the previous reclamation plan. Therefore, this bond recalculation is very similar to the one performed by the Division in 1999, with slight changes to the volumes and acreages for the larger permit area. The packet includes aone-page reclamation task summary sheet followed by the set of individual task sheets and the equipment cost and production sheets. One notable item is that the demolition [ask sheet (task 07b), which lists all structural removal, shows costs for offsite disposal rather than onsite disposal of concrete structures. The costs of actual demolition is not reflected on the sheet, however. The overall costs are very close to those estimated in 1999. This is the cost figure used in this estimate, but it does not require that the concrete structures be hauled offsite, If you have questions about this or any other particular task, please contact me to discuss it. Your recent adequacy submittal also included the mined area on the north edge of the existing pond, which had not been formally added to the permit, though it could be argued that it was added during the approval of technical revision TR-O1 in 1996. Thank you for so promptly including it into this amendment application, so that this area can formally be included in the permit area. This now abates the problem that was described in my April 20, 2001, inspection. 1 appreciate the effort behind the timeliness and volume of the materials prepared during this amendment process. You will receive a separate amendment approval letter from our Denver office under separate cover. All requests for bond forms or bond-related questions should be directed to Ms. Suzi Ericksen at