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Streamflow Measurements for the Nation


USGS 01646220 ROCK RUN NEAR CABIN JOHN, MD


Montgomery County, Maryland
Hydrologic Unit Code 02070008
Latitude  38°58'30", Longitude  77°10'58" NAD27
Drainage area 4.8  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
 
71970-08-07 16:00EDTYesLWL/DFGUSGS1.26 FairClearNONE
61967-09-21 -- ----YesDFGUSGS0.79 FairClearNONE
51966-09-13 10:00EDTYesWJDUSGS0.02 PoorClearNONE
41966-07-19 13:55EDTYesWJDUSGS0.34 GoodClearNONE
31966-06-24 14:40EDTYesWBSUSGS0.58 GoodClearNONE
21965-10-21 11:00EDTYesDHCUSGS0.40 PoorClearNONE
11964-08-26 13:35EDTYesDHCUSGS0.36 FairClearNONE