CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ
42009300,1579.13,1976-05-12,NGVD 29
42009300,93.39,1990-11-20,ASSUMED
42009300,93.07,1991-04-03,ASSUMED
42009300,94.04,1992-05-14,ASSUMED
42009300,95.02,1993-05-04,ASSUMED