Stale — older than 1 week USGS

Unn Trib To Valley Cr At Hwy 30 At Exton, PA

Updated October 26, 1998 at 04:55:00 AM · Approved · Site 01480878

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Official USGS page: https://waterdata.usgs.gov/monitoring-location/USGS-01480878/ (may include cooperator information)