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FJCHIBIT D ~~" <br />JAN 3 0 2001 <br />MINING PLAN <br />pivision otand Sa ~Y n <br />dining <br />The Coaldale Gypsum Mine is a -100 acre surface mine in Fremont County, <br />Colorado. The extraction of hydrous calcium sulphate, CaSO42H2O, commonly <br />known as gypsum, has occurred at Coaldale, Colorado since 1907. At that time <br />and up until 1956, local miners extracted gypsum under contrail with the <br />property owner, the Ideal Cement Company. Ideal Cement Company sold the <br />property to Pabco Corporation in 1955. in 1956 Pabco changed their name to <br />Fiberboard Paper Products Corporation and began using approximately one-half <br />of the Coaldale gypsum production at their wall board manufacturing facility, <br />located 4 miles East of Florence, Colorado. Fiberboard sold both properties to <br />John-Mansville Corporation in 1968, and they operated the properties until <br />August ,1973 when they were sold to the Flintkote Company. Flintkote Company <br />operated the properties until it was sold to Domtar, Inc. Domtar operated the <br />properties until 1990 when it cxrrtailed operations and the property has been in <br />Temporary Cessation since then. Domtar, Inc. was acquired by Georgia Pacific <br />in 1996 with transfer of permits. Reclamation was initiated and continued under <br />Georgia Pacfic until September 2006 when the property and minerals were <br />purchased by Holcim (US) inc. The current permit is under Temporary Cessation <br />until September 24, 2007. <br />It is Holcim (US) Inc. intention to retain reclaimed acreage as much as possible <br />and to re-open the mine and extract gypsum for use at its Portland Plant facility <br />in Florence, Colorado. <br />In 2006 core drilling at the Coaldale Quarry Site has confirmed that there is <br />approximately 1.6 million metric tons of recoverable gypsum available (See Table <br />D-1 below). It is planned that the gypsum quarry will produce approximately <br />50,000 to 90,000 metric tons of crushed gypsum on a yearly basis for a life of <br />mine of approximately 32 years ~ 50K metric tons per year or 18 years at 901< <br />metric tons/year. <br /> <br />