Aquifers
A 42.43 m think fractured rock artesian aquifer supplies waterto a fully penetraing well. Before pumping began the piezometricsurface in the pumping well was observed to be 70.89m above thebottom confing layer. the pumping rate of the well is 0.0255 m^3/safter 1776 days ofpumping an observation well is drilled 272.70 mfrom the pumping well the drawdown in this well was abserved to be5.04m estimate the draw down at the distance of 64.28m from thep umping well.