Standard Data file dictionary for DSDP Leg 1 - Hole 1
1-1_el.dat = Electrical Log
1-1_ggd.dat = Gamma-Gamma Density Tool
1-1_gnt.dat = Gamma Ray Neutron Tool
1-1_gr-ggd.dat = Natural Gamma Ray Tool - Gamma-Gamma Density Tool String
1-1_gr-gnt.dat = Natural Gamma Ray Tool - Gamma Ray Neutron Tool String