200202201107   0     9     0schouw GR1997 = merge (/users/autexploalg/arcbest/grid/vak/g1997v21, /users/autexploalg/arcbest/grid/vak/g1997v31, /users/autexploalg/arcbest/grid/vak/g1997v32, /users/autexploalg/arcbest/grid/vak/g1997v36, /users/autexploalg/arcbest/grid/vak/g1997v37, /users/autexploalg/arcbest/grid/vak/g1997v38)