by John R. Hawley
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The problem of acid mine drainage in the...
The use, characteristics and toxicity of...
Levels of metals and non-metals in veget...
The chemical characteristics of mineral ...
The physical, chemical and radiological ...
Waste control problems in the mining ind...
Acid Mine Drainage, Rock Drainage, and A...
Acid Mine Drainage
Acid-neutralizing potential of igneous b...
Sources of coal-mine drainage and their ...
Effects of coal-mine discharges on the q...
Final close-out report