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MID-CONTINENT RESOURCES, INC. <br /> PRODUCERS OF THE FAMOUS COAL BASIN COKING COAL <br /> 1058 COUNTY ROAD 100 • BOX 500 <br /> CARBONDALE, COLORADO 81623 <br /> TLX <br /> MAIN OFFICE (303)963-2581 45-0724 <br /> DISTRICTOFFICE (303)963-0555 FAX <br /> WAREHOUSE (303)963-3223 (303)963-2816 <br /> August 10 , 1988 <br /> Ms . Candace Thompson RECEITA <br /> Hydrologist <br /> Mined Land Reclamation AUG 12 1988 <br /> 1313 Sherman Street , Room 215 MINED L ANC, <br /> Denver, CO 80203-2273 RECLAMATION DIVI,510N <br /> Re: Minor Revision Request for # 4 Fan Addition <br /> Dear Ms . Thompson , <br /> Mid-Continent Resources hereby requests a minor revision to <br /> Permit #C-017-81 in order to allow an addition to be built onto <br /> our #4 Fan located at #2 Mine. <br /> In the past few months we have recognized the need for more <br /> ventilation in the M-Bed. After reviewing several options it was <br /> decided that the best option would be to drive a new entry out <br /> near our #4 fan and build a concrete and steel connection to the <br /> existing fan (figure 1 ) . <br /> The new portal area as shown on map 1 will occupy an area <br /> approximately 40 ' by 25 ' or . 02 acres . Much of this area has <br /> already been disturbed when the original #4 Fan was constructed. <br /> It will be necessary for us to remove the existing stockpile of <br /> dirt near the fan and new material at the face-up area. This <br /> small amount of material will be used to shore up the berms <br /> around the fan site. As I pointed out to you during the last <br /> inspection there is no available top soil at this site. <br /> Because the area of disturbance is very small we are asking for a <br /> small area exemption at this location . <br /> The bonding calculations for this site is as follows : <br /> Portal Sealing = $500 . 00 <br /> Structure Removal--3360 cu. ft . x $ . 13/cu. ft . = $436. 80 <br /> Final Grading - $70 . 00/ac. x . 02 ac. = $ 1 . 40 <br /> Topsoil - . 5 ' x . 02a_c. x_43560 x $ . 85/yd = $ 15 . 30 <br /> . 9(swell factor ) x 27 <br /> Revegetation - $1395/acre x . 02 acre = $ 27. 90 <br /> Sub-Total = $981 . 40 <br /> Indirect Cost @ 20% = $196. 28 <br /> Total Bond Cost =$1177 . 68 <br /> This minor revision request should be placed in Volume II , <br /> Appendix II-B-6, Page 7 in our permit application . <br />