Location of Gage :
Located on Mississippi River 0.6 mile downstream from the zero (0) mile point.
Gage inspection from 1/15/08 showed new gage was set to the same water surface elevation as the existing gage; gage adjustment from NAVD88 (2004.65) to NGVD29 (1983) assumed to = 0.0'
Adjustment for vertical datum NAVD88 (2009.55): -0.018 ft. as of 30Sep2015 (add -0.018' to gage data to adjust to NAVD88 2009.55)
** Raw data, subject to change **