00833nam a2200193Ia 450000100070000000500170000700800410002405000370006508200280010210000300013026001600016024500940032030000370041450000220045150400410047365000520051465000350056671000380060133033720200624062630.0150223                                  00aQE75 |b .P9 no. 1679 |a GB1197.7002557.3 s |a 551.49 |2 221 aCooley, Richard L.2Local  aReston, Va. : |b U.S. Dept. of the Interior, U.S. Geological Survey : |a Denver, CO : |b For sale by U.S. Geological Survey, Information Services, |c 2004.10aA theory for modeling ground-water flow in heterogeneous media / |c by Richard L. Cooley.  axi, 220 p. : |b ill. ; |c 28 cm.  aShipping list no.  aIncludes bibliographical references. 0aGroundwater flow |x Mathematical models.2Local 0aGovernment publications2Local 0aGeological Survey (U.S.)  2Local