CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
51009000,1655.09,2002-04-12,NGVD 29
51009000,1654.90,2002-07-29,NGVD 29
51009000,1655.92,2003-04-22,NGVD 29
51009000,1654.68,2004-04-13,NGVD 29