360 resultados para High Altitude Pollution Program (U.S.)
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Mode of access: Internet.
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"No. 16."
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"No. 43."
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"No. 67."
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"No. 90."
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"April 15, 1969."
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Description based on: federal fiscal year 1978.
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Description based on: Fiscal year 1983; title from cover.
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Thomas J. Riley, project director.
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"January 1995."
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Mode of access: Internet.
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Report year ends Sept. 30.
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"5/99"--Colophon.
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Description based on: 2000 edition.
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Description based on: FY 1989 (Sept. 1988) ; title from cover.