291 resultados para National Acid Precipitation Assessment Program (U.S.)


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"June 2000"--Cover.

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"ER 79-10305."

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"November 1994"--P. [4] of portfolio.

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"August 2000."

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Performed by Crain and Associates, Inc. under contract to the Transportation Systems Center.

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Description based on: 1980 ed.

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"A report to the President and the Congress of the United States by the U.S. Merit Systems Protection Board."