CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
75000200,1117.00,1953-07-23,NGVD 29
75000200,1117.17,1965-11-10,NGVD 29
75000200,1116.23,1977-07-12,NGVD 29
75000200,1115.07,2012-10-17,NGVD 29