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1~ <br />I' ,~, <br />i' B~ <br />Southwestern Portland Cement <br />Mining Impacts on Montgomery School <br />SHH AGRA Project E97-7038 <br />Page 10 <br />' Siskind, D.E., Stagg, M.S., Kopp, 7. W. and Dowding, C.H,, 1980, "Structure Response and <br />Damage Produced by Ground Vibration From Surface Mine Blasting", Bureau of Mines Report <br />of Investigation 8507. <br />SHB AGRA, 1993a, "Truck Vibration Study, Lyons Plant, Lyons, Colorado", unpublished <br />1 consultants report prepared for Southdown, Inc. <br />' SHB AGRA, Inc., 1993b, "Blast Vibration Analysis, Dowe Flats Project, Boulder County, <br />Colorado", unpublished consultant's report .to Southwestern Portland Cement dated May 24, <br />1993. <br />' Smith, B.M., 1984, Moisture Problems in Historic Masonry Walls: DiaEnosis and Treatment., <br />Washington, D.C.: U.S. Department of the Interior, National Park Service, Cultural Resources, <br />' Preservation Assistance Division. <br />1 <br /> <br />1 <br />1 <br />1 <br /> <br /> <br />1 <br />L, AGRA <br />t Eerth & Envimnmente/Group <br />