386 resultados para United States. Agricultural Conservation Program.


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"Office of Governmental and Public Affairs, Special Programs Center"--P. 3.

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"June 1950"--Cover.

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Vols. for 1962-64 called 2d-4th.

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"Literature cited": p. 419-439.

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Mode of access: Internet.

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"The United States ... as part of the NATO/CCMS Air Pollution Pilot Study, introduced the Low Pollution Power Systems Development (LPPSD) program."