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Gros_Eliz_004_PaArsenicMap_l.png

By Environmental Health Program 2011 (approx.)
Wells shown as red, black, gray, and white dots within Pennsylvania
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Detailed Description

Location of selected wells in Pennsylvania that have been tested for arsenic. The solid red dots are wells with arsenic concentrations greater than or equal to 4 parts per billion. (Data sources: USGS Data Series 150 and USGS Data Series 314)

Sources/Usage

Public Domain.