MDEP - Mode of Deposition

MDEP1, MDEP2, MDEP3

     MDEP1 may be - if KIND is N or U.
     MDEP2 and MDEP3 may be -.

     Otherwise, the list for MDEPx is as follows:

          -         Not Applicable
          ANTH      Anthropogenic
          COLL      Colluvial
          EOLI      Eolian
          FLEO      Fluvioeolian
          FLLC      Fluviolacustrine
          FLUV      Fluvial
          FNPT      Fen Peat
          FOPT      Forest Peat    
          GLFL      Glaciofluvial
          GLLC      Glaciolacustrine
          GLMA      Glaciomarine
          LACU      Lacustrine
          LATL      Lacustro-Till
          MARI      Marine
          RESD      Residual
          SAPR      Saprolite
          SEPT      Sedimentary Peat
          SPPT      Sphagnum Peat
          TILL      Till (Morainal)
          UNDM      Undifferentiated mineral
          UNDO      Undifferentiated organic
          VOLC      Volcanic