Using KT3D - X/Y Linear Drifts
data.txt
NCOL = 100
NROW = 100
XMIN = 1067275
XMAX = 1072225
YMIN = 241459
YMAX = 243934
COLSIZE = 50
ROWSIZE = 25

Using Exponential Variogram Model
Sill = 500
Range = 3000
Nugget = 0
Anisotropy = 1