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Streamflow Measurements for the Nation


USGS 02231220 ST. MARYS RIVER AT BOULOGNE, FLA.


Nassau County, Florida
Hydrologic Unit Code 03070204
Latitude  30°46'35", Longitude  81°58'44" NAD27
Drainage area 1,180  square miles
Contributing drainage area 1,180  square miles
Output formats
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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
 
22012-06-28 11:30EDTYesRB/EK/TCUSGS13500 UnspecifiedUnspecifedUNSP
11964-09-17 -- ----YesKWCUSGS2550017.820.003.60GoodClearMAIN