Geosoft Map c:\data\prl-12560-yt calder creek gpr & shafting\geophysics\working\calder creek\geosoft\picks.gpf AG-LAPTOP02\User02 2013-01-29 AG-LAPTOP02\User02 2013-01-29 gravel thickness.grd c:\data\prl-12560-yt calder creek gpr & shafting\geophysics\working\calder creek\geosoft\picks.gpf 2013-1-29 Geosoft Map AG-LAPTOP02\User02 AG-LAPTOP02\User02 2013-1-29