Line - Line number (EW) in local coordinates
Station - Station number (NS) in local coordinates
X - Zone 8N UTM Easting in NAD83 datum
Y - Zone 8N UTM Northing in NAD83 datum
Z - Differentially corrected height above World EGM96 15'Geoid (m)
Grav - Raw relative gravity reading (mGal)
SD - Standard deviation of gravity reading (60 s stack)
Time - Time of day of rrading
Drift - Drift correction from base station readings (mGal)
Latitude - Latitude corr. (mGal)
FreeAir - FreeAir corr. (mGal)
Bouguer - Bouguer corr. assuming 2.67 specific density (mGal)
Bull_B - Bullard B corr. assuming 2.67 specific gravity (mGal)
Near_Stn - Terrain corr. within 20 m assuming 2.67 specific density (mGal)
DTM1_Inner - Terrain corr. 20 m - 10 km assuming 2.67 specific density (mGal)
DTM2_Outer - Terrain corr. 10 - 100 km assuming 2.67 specific density (mGal)
Final - Bouguer anomaly with all corrections applied
UpCont400TrendRemoved_20mgrid - Bouguer anomaly with regional signal removed