CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
18029700,1259.66,1982-12-07,NGVD 29
18029700,1259.61,1983-05-24,NGVD 29
18029700,1259.80,1984-10-23,NGVD 29
18029700,1259.81,1984-10-24,NGVD 29