CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
40005600,1021.40,1984-01-21,NGVD 29
40005600,1022.70,1984-05-08,NGVD 29
40005600,1023.19,1985-08-13,NGVD 29
40005600,1021.79,1988-03-08,NGVD 29
40005600,1023.27,1993-09-30,NGVD 29