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Streamflow Measurements for the Nation


USGS 01645975 ROCKY RUN NEAR GREAT FALLS, VA


Fairfax County, Virginia
Hydrologic Unit Code 02070008
Latitude  38°58'16", Longitude  77°14'49" NAD27
Drainage area 3.19  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
 
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)
81968-09-03 23:00ESTYes/USGS0.55 Unspecified NONE1Imported Channel 1UNSPother 0.55 UNSPUNSPUNSPunknUNSPUNSPUNSP
71968-07-14 23:00ESTYes/USGS1.05 Unspecified NONE1Imported Channel 1UNSPother 1.05 UNSPUNSPUNSPunknUNSPUNSPUNSP
61968-06-23 23:00ESTYes/USGS1.89 Unspecified NONE1Imported Channel 1UNSPother 1.89 UNSPUNSPUNSPunknUNSPUNSPUNSP
51968-06-05 23:00ESTYes/USGS1.50 Unspecified NONE1Imported Channel 1UNSPother 1.50 UNSPUNSPUNSPunknUNSPUNSPUNSP
41968-05-02 23:00ESTYes/USGS1.47 Unspecified NONE1Imported Channel 1UNSPother 1.47 UNSPUNSPUNSPunknUNSPUNSPUNSP
31968-05-01 23:00ESTYes/USGS1.42 Unspecified NONE1Imported Channel 1UNSPother 1.42 UNSPUNSPUNSPunknUNSPUNSPUNSP
21968-04-23 -- ----Yes/USGS1.49 Unspecified NONE1Imported Channel 1UNSPother 1.49 UNSPUNSPUNSPunknUNSPUNSPUNSP
11968-03-14 -- ----Yes/USGS3.75 Unspecified NONE1Imported Channel 1UNSPother 3.75 UNSPUNSPUNSPunknUNSPUNSPUNSP