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SUMMIT ENGINEERING CO <br />PROFESSIONAL ENGINEERS AND LAND SURVEYORS <br />P.O. Box 1897 <br />ALAMOSA. COLORADO 81101 <br />(719)589 -6147 FAX(719) 589 -6633 <br />FMA1L: seco6147 a gxNestoflice.net <br />December 2j.'_009 <br />Mr. Michael A. Cunningham <br />Environmental Protection Specialist <br />Colorado Division of Reclamation. Mining & Safet,, <br />13 13 Sherman Street. Room 215 <br />Denver, CO 80203 <br />Re: Robins Rock Pit. DRMS File No. M -2009 -053; Preliminar% Adequacy Revicx% <br />Dear Mr. Cunningham:. <br />Summit Engineering conducted a pre -blast survey of the area near the abo%e captioned Pit on <br />December 9, 2009. N'e have enclosed photographs and note that the dwellings approximately <br />one mile east north -east of the pit have been abandoned for some time and that the electric <br />service is disconnected and the meter has been removed. <br />The adobe home has a significant portion of the roof missing., and the two mobile homes have <br />significant damage to the plumbing because thc� halve not been proper],, «interized. In addition <br />they appear to be infested with rodents and are likely to harbor hanta virus. It does not seem <br />likely that these homes are any longer habitable: never the less, no damage due to blasting is <br />evident at these structures. The blue barn and surrounding livestock are owned by Mr. Aniceto <br />Lucero, lessor of the Pit property. Mr. Lucero has informed us that no damage has occurred to <br />this barn or his livestock due to blasting activities. <br />Closer to the pit, the irrigation pump and center pivot sprinkler ha%e likewise not been damaged. <br />and the pond, .khich is dry has no rock -fall contained %%ithin it. Ilopetiull ,,, these photographs <br />together with this short narrative description satisf,, the pre -blast survey requirements. <br />Yours truly. <br />Scott F. Johnson <br />xc: Robins Construction Co.. <br />Page 27 of 73 <br />