CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
21031500,1310.68,1951-07-17,NGVD 29
21031500,1309.92,1952-09-17,NGVD 29
21031500,1311.80,1964-07-01,NGVD 29
21031500,1312.38,1973-03-13,NGVD 29
21031500,1312.56,2002-06-27,NGVD 29
21031500,1312.40,2008-08-15,NGVD 29