Synoptic Sampling at Difficult Run in Fairfax, Virginia
By Virginia and West Virginia Water Science Center
2011 (approx.)
![A USGS tech samples a stream](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/DifficultRunSynopticSampling.png?itok=HhMmkN_b)
Detailed Description
A USGS tech performs synoptic sampling at Difficult Run Above Fox Lake Near Fairfax, VA. Part of the Fairfax County Water Resources Monitoring Network.
Sources/Usage
Public Domain.