CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ 86001700,961.00,1958-01-01,NGVD 29 86001700,961.96,1979-06-28,NGVD 29 86001700,962.53,1985-09-25,NGVD 29 86001700,962.00,1986-10-28,NGVD 29 86001700,960.50,1987-05-08,NGVD 29 86001700,964.03,2019-10-23,NGVD 29