contents of directory: DG_surf


    type         date         name
    ----    ---------------   ------------------------

    file    2023.09.12.1144   DG_spgr1+orig.BRIK
    file    2023.09.12.1144   DG_spgr1+orig.HEAD
    file    2023.09.12.1144   DG_spgr2+orig.BRIK
    file    2023.09.12.1144   DG_spgr2+orig.HEAD