CONT     CTRY                 LCLT            SITN            LONGIT  LATIT   SIZE  NFEM  NINDT NMAL  CH.G            YEAR   AUTH        
 -------- -------------------- --------------- --------------- ------- ------- ----- ----- ----- ----- --------------- ------ ------------
 AMERICA  MEXICO               CHICHANHA                       -88.31  20.39   2           1     1     RECENT          1908   RIVET * P.  
 AMERICA  MEXICO               SEVERAL SITES                   -110.30 24.00   20    5     2     13    -               1909   RIVET * P.