CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
27012002,939.50,1969-05-08,NGVD 29
27012002,941.70,1986-04-17,NGVD 29
27012002,941.18,1994-08-03,NGVD 29
27012002,941.20,1994-09-29,NGVD 29