Abandoned mine drainage

http://dbpedia.org/resource/Abandoned_mine_drainage

Abandoned mine drainage (also known as AMD) is a form of water pollution involving water that has been polluted by contact with mines, typically coal mines. Although it is sometimes called "acid mine drainage", not all abandoned mine drainage is acidic. rdf:langString
rdf:langString Abandoned mine drainage
xsd:integer 47923309
xsd:integer 1119310464
rdf:langString Abandoned mine drainage (also known as AMD) is a form of water pollution involving water that has been polluted by contact with mines, typically coal mines. Although it is sometimes called "acid mine drainage", not all abandoned mine drainage is acidic.
xsd:nonNegativeInteger 10262

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