by John R. Hawley
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The problem of acid mine drainage in the...
The use, characteristics and toxicity of...
Mine waste control in Ontario
The chemical characteristics of mineral ...
Levels of metals and non-metals in veget...
The problem of acid mine drainage in Ont...
Acid Mine Drainage, Rock Drainage, and A...
Acid-neutralizing potential of igneous b...
Sources of coal-mine drainage and their ...
Acid Mine Drainage
Effects of coal-mine discharges on the q...