00340nam a2200133 a 4500008004100000020001500041050001800056100002200074245002600096250001200122260004000134300002300174350000900197120416s0000    ||||||||||||||||| ||    u  a047108641X  aGB 1003.2 Tod  aTodd, David Keith10aGroundwater hydrology  a2nd ed.  aNew YorkbJohn Wiley and Sonsc1980  axiii, 535p. : ill.  a0.00