Regulating mineral activity in national park system units /
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Format: | Book |
Language: | English |
Published: |
Denver, Colo. :
National Park Service, Energy, Mining, and Minerals Division,
[1986]
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Series: | Natural resources report (United States. National Park Service. Natural Resources Publication Office)
no. 86-2. |
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Item Description: | "March 1986." |
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Physical Description: | 11 pages ; 28 cm. |