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Groundwater levels for the Nation

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USGS 394927075430401 CH 3478

Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  39°49'27", Longitude  75°43'04" NAD27
Land-surface elevation 260 feet above NGVD29
This well is completed in the Piedmont and Blue Ridge crystalline-rock aquifers (N400PDMBRX) national aquifer.
This well is completed in the Wissahickon Formation, Oligoclase Mica Schist (300WSCKO) local aquifer.
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Graph of groundwater level data at USGS 394927075430401 CH 3478
Breaks in the plot represent a gap of at least one year between field measurements.
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