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Streamflow Measurements for the Nation


USGS 05587500 Mississippi River at Alton, IL


Madison County, Illinois
Hydrologic Unit Code 07110009
Latitude  38°53'06", Longitude  90°10'51" NAD27
Drainage area 171,500  square miles
Gage datum 403 feet above NAVD88
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Meas.
Number
  Date       Time Time
Datum
Measurement
Used?
  Who Measuring
Agency
Stream
flow
(ft3/s)
Gage
Height
(ft)
GH
Change
(ft)
Meas.
Duration
(hr)
Meas.
Rated
  Control Flow
Adjust.
Code
 
5122008-06-26 09:35CDTYeskoe/rjUSGS45000028.90 Fair NONE
5111986-10-07 -- ----YesRNN/LGHUSGS35000078.300.142.90Fair NONE
5101986-07-15 -- ----YesRNN/SRFUSGS24500027.260.072.90GoodDebrisModerateNONE
5091985-10-07 -- ----YesLGHUSGS10700056.660.022.60Fair NONE