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Streamflow Measurements for the Nation


USGS 05448010 BLACKHAWK CREEK AT SOUTH ROCK ISLAND, IL


Rock Island County, Illinois
Hydrologic Unit Code 07080101
Latitude  41°27'52", Longitude  90°33'55" NAD83
Drainage area 3.06  square miles
Contributing drainage area 3.06  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
 
51977-10-14 11:30CSTYesTRUSGS2.291.590.000.30PoorDebrisLightNONE
41977-07-18 11:00CSTYesMUSGS38.81.80-0.080.50GoodClearNONE
31977-06-30 11:20CSTYesM&WUSGS33.91.83-0.110.40Good NONE
21977-06-08 13:15CSTYesMUSGS0.221.10 GoodClearNONE
11977-06-01 14:30CSTYesJRGUSGS0.411.30 Unspecified NONE