* entry for the GEOID96 (North-West) geoid grid
GEOID96NW (NGS)   geo96nw

* entry for the GEOID96 (North-Central) geoid grid
GEOID96NC (NGS)   geo96nc

* entry for the GEOID96 (North-East) geoid grid
GEOID96NE (NGS)   geo96ne

* entry for the GEOID96 (South-West) geoid grid
GEOID96SW (NGS)   geo96sw

* entry for the GEOID96 (South-Central) geoid grid
GEOID96SC (NGS)   geo96sc

* entry for the GEOID96 (South-East) geoid grid
GEOID96SE (NGS)   geo96se

* entry for the GEOID96 (Alaska North) geoid grid
GEOID96AN (NGS)   geo96an

* entry for the GEOID96 (Alaska South) geoid grid
GEOID96AS (NGS)   geo96as

* entry for the GEOID96 (Hawaii) geoid grid
GEOID96HW (NGS)   geo96hw

* entry for the GEOID96 (Puerto Rico) geoid grids
GEOID96PR (NGS)   geo96pr