CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ 51004700,1517.40,1995-03-01,NGVD 29 51004700,1517.32,1998-05-20,NGVD 29 51004700,1517.14,1998-05-29,NGVD 29 51004700,1516.97,1998-06-10,NGVD 29 51004700,1516.78,1998-07-03,NGVD 29 51004700,1516.48,1998-08-21,NGVD 29