Characteristics & Treatment of Mine Drainage in the Anthracite ...
Characteristics & Treatment of Mine Drainage in the Anthracite ...
Characteristics & Treatment of Mine Drainage in the Anthracite ...
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Boxplots show<strong>in</strong>g differences <strong>in</strong> (A) pH and (B) sulfate for<br />
discharges from <strong>the</strong> four anthracite fields <strong>in</strong> eastern Pennsylvania.<br />
Data are from Growitz et al. (1985).