Standard Data file dictionary for DSDP Leg 74 - Hole 527
74-527_cdlm.dat = Compensated Density Log - Main Pass
74-527_cdlr.dat = Compensated Density Log - Repeat
74-527_cl.dat = Caliper Log
74-527_grm.dat = Natural Gamma Ray Tool - Main Pass
74-527_grr.dat = Natural Gamma Ray Tool - Repeat