02018nam 2200469Ia 450 991069771190332120081120100119.0(CKB)5470000002391858(OCoLC)275163734(EXLCZ)99547000000239185820081120d2003 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierAnalytical and numerical simulation of the steady-state hydrologic effects of mining aggregate in hypothetical sand-and-gravel and fractured crystalline-rock aquifers[electronic resource] /by L.R. Arnold, W.H. Langer, and S.S. PaschkeDenver, Colo. :U.S. Dept. of the Interior, U.S. Geological Survey,2003.vi, 56 pages DJVU, image fileWater-resources investigations report ;02-4267Title from title screen (viewed Nov. 20, 2008).Includes bibliographical references (pages 54-56).Aggregate industryEnvironmental aspectsColoradoDenver RegionHydrogeologyColoradoDenver RegionMines and mineral resourcesEnvironmental aspectsColoradoDenver RegionAquifersColoradoDenver RegionGroundwater flowColoradoDenver RegionAggregate industryEnvironmental aspectsHydrogeologyMines and mineral resourcesEnvironmental aspectsAquifersGroundwater flowArnold L. R1392249Langer William H191378Paschke S. S(Suzanne Smith)1391035Geological Survey (U.S.)GPOGPOBOOK9910697711903321Analytical and numerical simulation of the steady-state hydrologic effects of mining aggregate in hypothetical sand-and-gravel and fractured crystalline-rock aquifers3483646UNINA