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7 <br /> <br /> <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St., Room 21 S <br />Denver, Colorado 80201 <br />Phone: (303) 866 3567 <br />FAX:13031832-8106 <br />August 17, 1994 <br />Mr. Dennis Hayes <br />30125 Routt Co. Rd. ~ 27 <br />Steamboat Springs, CO. 80487 <br />STATE OF COLORADO <br />F <br />~ a ~ ~ ~~~~ <br />~` <br />~ ~ ~ ~ DEPARTMENT OF <br />NATURAL <br />~, <br />~ ~` ~ ~ RESOURCES <br />d' '; ~. ~ ~ Roy Romer <br />Governor <br />Ken Salazar <br />Enecuuve Direc mr <br />hlic hael B Lonp <br />Dn~ision Dueaor <br />RE: Residence Visit, August 10, 1994, Foidel Creek Mine, #C-82-056 <br />Dear Mr. Hayes: <br />This letter responds to your concerns as addressed to me during my <br />site visit to your residence on August 10, 1994. <br />Background <br />On July 21, 1994 at approximately 10:30 pm, you and your wife <br />experienced two large "seismic jolts" while residing in your mobile <br />home located along Fish creek. While this is not the first time you <br />have felt these seismic tremors (others felt in January and May of <br />1993) this episode was the strongest in your opinion. Upon <br />inspection of your trailer, you discovered a cracked concrete block <br />supporting your mobile home as well as some separation of the <br />outside panelling seams over a portion of the home. At that time, <br />you contacted Twentymile Coal Company and discussed the situation <br />with them. Mr. Rick Mills and Mr.Gary Buchan of TCC then visited <br />your home and inspected the damage identified as well as <br />hypothesized the possible cause of this seismic event. <br />DMG Inspection <br />Mr. Ashley House of Twentymile Coal Company (TCC) and Kent Gorham <br />of the Colorado Division of Minerals and Geology (DMG) met with Mr. <br />Dennis Hayes at his mobile home residence located along Fish Creek <br />at Routt county road #27. After some discussion we proceeded <br />outside to inspect possible damage due to seismic vibrations caused <br />by subsidence. Vertical seams between the siding of the home <br />appeared slightly separated and the nails appeared to be popped out <br />slightly in places. These separations appeared fresh and un- <br />weathered. The concrete block was not viewed since it was behind <br />the apron which covers the supporting foundation of the home. We <br />proceeded to the location of a spring which normally flows for <br />about 6 weeks in the spring of the year. The spring was currently <br />dry. According to Mr. Hayes, it did not flow this year but was wet <br />