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~, ~'~ ~~ <br />'OF C ~~ <br />N O <br />RICHARD D. LAMM ; <br />• GOVERNOR <br />x d46 <br />COLORADO GEOLOGICAL SURVEY <br />DEPARTMENT OF NATURAL RESOURCES <br />715 STATE CENTENNIAL BUILDING - 1313 SHER MAN STREET <br />DENVER,COLORAD080203 PHONE 13031939.7811 <br />September 25, 1980 <br />Mr. Mac Graham <br />Western Paving Construction Company <br />1400 West 64th Avenue <br />Denver, CO 80221 <br />III lillllllllllllll <br />999 <br />JOHN W. ROLD <br />Directs <br />Dear Mac: RE: WENG FARM EXPANSION <br />On Tuesday, September 23, we enjoyed some fine autumn weather on a visit <br />to your Weng Farm operations on St. Vrain Creek near Lyons. It was most <br />interesting and very educational for me to see your progress in mining and <br />reclamation on the site. As you know, I was last on the site five years <br />ago, shortly after the loadout facility and unit train had beer put into <br />operation. <br />• Mining on the 65-acre parcel south and southeast of the Phase 1 <br />reclamation area is a logical expansion of the present operation. One <br />very interesting feature of the new operation will be the continued use of <br />conveyors to haul the material from the pit to the loadout silos. As we <br />saw in the currently active pit, the conveyors may be placed ver~~ close to <br />the working face. As you poin~ed Dut, they represent a considerable <br />savings in fuel consumption and costs over haulage by trucks. In <br />addition, I saw no dust coming from either the conveyor feed hopFler or any <br />of the transfer points. <br />When mining begins in the parcel farthest to the southeast, the conveyors <br />will stretch to nearly 4,000 ft to reach the 800-ft-long permanent section <br />that crosses the creek. However, as the mining progresses northward, <br />reclamation can be established first in the outlying areas, which will not <br />be affected then by subsequent phases. Also, this reclamatioT will be <br />completed first in the areas that are most visible along the county road. <br />Currently, two irrigation ditches cross the southeastern parcel. Mining <br />between these ditches and the other property lines and rights-of-way will <br />create three irregularly shaped ponds. Relocating a portion ~~f one of <br />these ditches will increase the minable acreage but still Flroduce a <br />natural-looking pond configuration. An immediate problem with the <br />reclamation plan is the lack of water rights. Apparently ore of the <br />landowners sold his rights and will have to purchase new water somewhere <br />• for this augmentation. <br />GEOLOGY <br />STORY OF 7HE PAST ...KEY TO THE FUTURE <br />