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0200062584 20041010151827.0 s2001 njua frb |000|||eng | CNY137.28 NGL a626 ; a494.4 Spitz, Frederick J. 在MODFLOW数据包和MODPATH地下水流模拟中改善弱渗坑附近迹线分辨率描述井的方法和计算机程序. chi Method and computer programs to improve pathline resolution near weak sinks representing wells in MODFLOW and MODPATH ground-water-flow simulations / by Frederick J. Spitz. West Trenton, NJ : U.S. Geological Survey, 2001. vi, 41 p. : ill. ; 28 cm. Open file report ; 00-392 Includes bibliographical references. Groundwater flow Computer programs. U.S. Geological Survey. ; New Jersey. Department of Environmental Protection. Open file report / U.S. Geological Survey ; 00-392. NGL EB00064812 626 Sp4 r¥137.28 ayl b1 eyll0405