CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
73030100,1120.57,1986-04-02,NGVD 29
73030100,1120.33,1986-04-30,NGVD 29
73030100,1120.73,1991-04-04,NGVD 29
73030100,1121.09,1991-07-03,NGVD 29