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Groundwater levels for the Nation

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USGS 400635075414501 CH 3871

Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  40°06'35", Longitude  75°41'45" NAD27
Land-surface elevation 695 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 Felsic Gneiss, Granulite Facies (400FLCGG) local aquifer.
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Graph of groundwater level data at USGS 400635075414501 CH 3871
Breaks in the plot represent a gap of at least one year between field measurements.
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