CHR_ID,ELEVATION,READ_DATE,DATUM_ADJ 52005700,990.82,2018-07-11,NAVD 88 52005700,991.71,2019-05-30,NAVD 88 52005700,991.16,2019-06-28,NAVD 88 52005700,990.54,2019-08-29,NAVD 88 52005700,990.54,2019-09-12,NAVD 88 52005700,990.45,2019-09-20,NAVD 88 52005700,988.94,2021-04-14,NAVD 88