Showing 221 - 235 results of 235 for search '"Acid mine drainage."', query time: 0.20s Refine Results
  1. 221
    Published 2002
    Subjects: ...Acid mine drainage Colorado Alamosa River Watershed....
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    Government Document Book
  2. 222
    Published 2002
    Subjects: ...Acid mine drainage Colorado Alamosa River Watershed....
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  3. 223
    Subjects: ...Acid mine drainage....
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  4. 224
    Published 1999
    Subjects: ...Acid mine drainage Colorado Silverton Region....
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  5. 225
    by Ward, Janice R.
    Published 1976
    Subjects: ...Acid mine drainage Tioga River Watershed (Pa. and N.Y.)...
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  6. 226
    Published 2006
    Subjects: ...Acid mine drainage Environmental aspects United States....
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  7. 227
    Published 1995
    Subjects: ...Acid mine drainage Environmental aspects Colorado Summitville Congresses....
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  8. 228
    Published 2008
    Subjects: ...Acid mine drainage West (U.S.)...
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  9. 229
    by Sams, James I.
    Published 2000
    Subjects: ...Acid mine drainage Environmental aspects Allegheny River Watershed (Pa. and N.Y.)...
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  10. 230
    Subjects: ...Acid mine drainage Environmental aspects Animas River Watershed (Colo. and N.M.)...
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  11. 231
    Published 2000
    Subjects: ...Acid mine drainage Environmental aspects Animas River Watershed (Colo. and N.M.)...
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  12. 232
    by Kemp, Penny
    Published 1999
    Subjects: ...Acid mine drainage Environmental aspects England Quaking Houses....
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  13. 233
    Published 2021
    Subjects: ...Acid mine drainage Colorado Gold King Mine (San Juan County)...
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  14. 234
    by Ramey, Barbara A.
    Published 1995
    Subjects: ...Acid mine drainage Kentucky McCreary County Jones Branch Watershed....
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  15. 235
    Published 2021
    Subjects: ...Acid mine drainage Environmental aspects United States....
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