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Groundwater levels for Pennsylvania

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USGS 400411075445901 CH 7007

Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  40°04'10.8", Longitude  75°44'58.5" NAD83
Land-surface elevation 443 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 Graphitic Gneiss, Amphibolite Facies (400GPCGA) local aquifer.
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Graph of groundwater level data at USGS 400411075445901 CH  7007
Breaks in the plot represent a gap of at least one year between field measurements.
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