CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
21019900,1359.50,1960-08-11,NGVD 29
21019900,1360.27,1971-10-15,NGVD 29
21019900,1360.00,1989-11-08,NGVD 29
21019900,1361.84,1997-09-25,NGVD 29