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~ r <br />~ ~ <br />EXHIBTT B <br /> MItdII4G PLAN <br />,~ BOETTCHER GYPSUM QUARRY <br />a This quarry is a source of gypsum used in the manufacture <br /> of Portland Cement at the Ideal Cement plant located 19 miles <br /> to the south, at Boettcher Colorado. <br /> The gypsum occurs as 12-15 ft. beds that dip about 15° <br /> to the east. The quarry was opened 400 feet east of the apex <br /> of the bed. Soil and lose overburden were bulldozed to the <br />~' east exposing the top of the bedded gypsum. The gyp;>um is <br /> being mined by cutting a 60-foot wide slot from the :>outhern <br />1' ~ ' <br />extremity north through the gypsum. The quarry will eventual- <br />'~ ly be enlarged by working the gypsum westerly and upc.ip from <br />i <br /> this initial cut. <br />~, The gypsum is first blasted and then loaded onto trucks <br /> using an end loader. The trucks then transport the material <br />' <br />~ to a crushing and screening facility where, after processing, <br /> it is stockpiled and available for transport by truck to the <br /> Boettcher Cement Plant. <br />' For the Boettcher plant operation Ideal Basic Industries <br /> uses about 16,000 tons of gypsum each year. This involves <br />' th <br />di <br />t <br />f <br />i <br />f <br />f <br />b <br />t <br />l <br />0 <br />4 <br /> ur <br />ance o <br />approx <br />ma <br />acre o <br />sur <br />ace area per <br />e <br />s <br />e <br />y <br />. <br />' year. This quarry will operate less than 180 days per year. <br /> Mining equipment used in the operation includes air drills, <br />' bulldozers, end loaders, a portable crushing and screening unit, <br /> plus diesel-electric generators that supply the electrical <br /> <br /> energy needed for lighting and running the crusher-screening <br />' equipment, - <br />