USGS Water Science Centers are located in each state.
Photo Gallery for Clarke County, Virginia
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Geophysics
FILE: geop19.jpg
DESCRIPTION:
Fiber-optic line (green) deployed in Opequon Creek at streamflow gaging station USGS 01615000 near Berryville. The purpose of this deployment was to test different methods for anchoring the fiber-optic line on the streambed.