REVISIONS HISTORY - Datum of gage was revised on March 5, 2024 from 310 ft above NAVD88 interpolated from a Digital Elevation Model with an urcertainty of 1.6 ft to 305.7 ft above NAVD88 via a GNSS Level II, single-base rapid-static survey. This warranted a revision since the new datum is greater than 3.2 ft from previous.