962 resultados para abandoned mine lands
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Mode of access: Internet.
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"March 4, 1986"--Pt. 2.
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"BLM-NM-ES-86-018-4134."
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Mode of access: Internet.
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Mode of access: Internet.
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"December 17, 1987"--Pt. 2.
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Mode of access: Internet.
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At head of title: 94th Congress, 1st session. Committee print.
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"Coal Industry Advisory Committee to the Ohio River Valley Water Sanitation Commission. Research project no. 370-8."
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"Commonwealth of Pennsylvania Department of Health. Industrial fellowship no. 326B-6."
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"June 21, 1988"--Pt. 2.
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"October 20, 1983"--Pt. 2.
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Mode of access: Internet.
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No more published?
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Adam C. Powell, chairman.