Hydrogeology of the formation and neutralization of acid waters draining from underground coal mines of western Maryland /
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| Format: | Book |
| Language: | English |
| Published: |
[Baltimore] :
Dept. of Natural Resources, Maryland Geological Survey,
1973.
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| Series: | Report of investigations (Maryland Geological Survey) ;
no. 20. |
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| Physical Description: | v, 50 pages : illustrations ; 28 cm. |
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| Bibliography: | Bibliography: pages 31-34. |