CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
56056100,1280.09,1985-05-22,NGVD 29
56056100,1284.59,1985-08-21,NGVD 29
56056100,1281.55,1987-08-03,NGVD 29
56056100,1280.84,2008-01-02,NGVD 29