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Mid-Continent Resources, Inc. <br /> PRODUCERS OF THE FAMOUS COAL BASIN COKING COAL <br /> MID-CONTINENT RESOURCES,INC. 201 Centennial Street <br /> Suite 406 Telephone: <br /> 625 I'LAINFIELD ROAD-SUITE 220 <br /> WILLOWBROOK,ILLINOIS 60521 Glenwood Springs, Colorado 81601 (303) 945-4958 <br /> April 9, 1991 <br /> RECEIVED <br /> Mr . Dan Mathews APR 1 1 1991 <br /> (lined Land Reclamation Division <br /> 1313 Sherman Street, Room 21S Min(n.d Land <br /> Denver, Colorado 80203 Reclamation Divis!r)n <br /> Dear Mr . Mathews: <br /> In line with our meeting in your office on March 29th on the <br /> subject of Mid-Continent Resources ' reclamation cost <br /> calculations, I am submitting the enclosed revised calculations . <br /> I have reviewed each of the 1S task calculations in your <br /> November 27, 1990 "revised preliminary estimate" and re- <br /> calculated those that I believed were not correct . Several of <br /> your task calculations differed with those we agreed upon in <br /> 1986, but since the final cost amounts were reasonable I accepted <br /> them as they were . I have added four additional tasks that <br /> address the backfilling of areas that didn ' t seem to be addressed <br /> in your calculations . <br /> You will note that I went ahead and used the D9L dozer For <br /> moving most of the materials as you did . Substituting the 08 <br /> dozer, graders or other smaller equipment will probably be more <br /> efficient and somewhat cheaper in that environment, but will not <br /> change the overall cost estimate substantially . I did use a job <br /> performance factor for the D9L of .LJ9 instead of your .28 ❑r .q3 <br /> as I explained in my March 29 letter . <br /> There are still several areas in the calculations that I <br /> would like to review once the weather in Coal Basin allows us to <br /> visit all the areas and update our information . These include <br /> the actual amounts of topsoil available for distribution, the <br /> actual average width of the haul roads as opposed to the present <br /> assumption that they average 55 ' in width, the actual amounts of <br /> topsoiling and reseeding of the coal refuse piles and the actual <br /> number of acres that have been disturbed in connection with the <br /> Sutey refuse pile. <br /> Please call me if you have any questions on this submittal . <br /> Si Ferely , <br /> Geor e E . gear <br /> Dir . Special Projects <br />