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Streamflow Measurements for the Nation


USGS 11525550 GRASS VALLEY C NR FRENCH GULCH CA


Trinity County, California
Hydrologic Unit Code 18010211
Latitude  40°36'52", Longitude 122°44'43" NAD27
Drainage area 7.93  square miles
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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
 
581989-04-06 08:15PDTYesLAPUSGS49.01.630.000.50GoodClearNONE
571989-03-09 14:30PSTYesLAPUSGS2153.000.000.20FairClearNONE
561989-03-06 09:00PSTYesLAP/SGMUSGS19.41.260.000.30GoodClearNONE
551988-11-30 -- ----YesLAPUSGS12.21.130.000.50GoodClearNONE
541988-11-03 -- ----YesLAPUSGS10.91.09-0.020.50GoodClearNONE
531988-10-13 08:00PDTYesLAPUSGS5.840.910.000.40GoodClearNONE
521988-09-01 08:05PDTYesLAPUSGS6.160.920.000.50GoodClearNONE