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Streamflow Measurements for the Nation


USGS 05463090 Black Hawk Creek at Grundy Center, IA
Grundy County, Iowa
Hydrologic Unit Code 07080205
Latitude  42°22'10", Longitude  92°46'05" NAD27
Drainage area 56.9  square miles
Gage datum 970 feet above NGVD29
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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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
51983-05-19 -- ----YesPJSUSGS149087.10-0.141.00FairClearNONE1Imported Channel 1CRANunspeunkno14901386802.19UNSPUNSPUNSPunknUNSPUNSPUNSP
41972-06-14 -- ----YesJHUSGS40984.490.080.50Good NONE1Imported Channel 1CRANunspeunkno4091253811.07UNSPUNSPUNSPunknUNSPUNSPUNSP
31971-06-17 -- ----YesJHUSGS29.879.880.000.30UnspecifiedClearNONE1Imported Channel 1WADEunspeunkno29.838.022.71.31UNSPUNSPUNSPunknUNSPUNSPUNSP
21969-07-09 23:00CSTYesCSUSGS26783.56-0.060.60FairClearNONE1Imported Channel 1CRANunspeunkno26795.05070.53UNSPUNSPUNSPunknUNSPUNSPUNSP
11969-07-07 23:00CSTYesJHUSGS679089.420.150.80GoodDebrisHeavyNONE1Imported Channel 1CRANunspeunkno679015511306.01UNSPUNSPUNSPunknUNSPUNSPUNSP