CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
51006800,1676.38,1989-05-02,NGVD 29
51006800,1674.78,1989-11-09,NGVD 29
51006800,1674.79,1990-05-10,NGVD 29
51006800,1674.03,1990-11-20,NGVD 29
51006800,1674.31,1991-04-03,NGVD 29
51006800,1677.73,2003-01-23,NGVD 29