LWRP==N/A
SOUNDING_FREQUENCY==400KHZ
SURVEY_TYPE==MB
SURVEY_CREW==PM/SP
VESSEL_NAME==OB167
SEA_CONDITION==CALM
GAGE_READING==8.57 LWRP07 
PLOTTED_BY==AO
CHECKED_BY==AO
NOTES:
SURVEY RAN USING C4GNET VRS RTN  
MB = 10X10 BIN
GAGE REFERENCED, HARVEY LOCK STAFF (01320)
@0830 10.0 (0.0 GAGE) = 8.57 LWRP07
FLOAT CHECK @ HARVEY LOCK
@0915 9.35 NAVD88, USED -0.78 TIDE 
OFFSET TO MATCH HARVEY LWRP07 GAGE.
WWW.RIVERGAGES.COM 
MISSISSIPPI RIVER AT IHNC LOCK (01340)
IHNC LOCK GAGE INCORRECT
ESTIMATED GAGE AT NO HARBOR 3
@ 0830 = 8.10 LWRP07
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