343 resultados para Conservation projects (Natural resources)


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Updated by irregular supplements which are combined annually with cumulative indexes.

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Vol. 1 includes index.

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Some parts are composed chiefly of statistical tables.

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Cover title.

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Title from cover.

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Contributions in English, Spanish, Portuguese or French.

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"Members": v. 28, p. 365-463.

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Some Numbers Have Title Bulletin, Some Circular, Some Contribution. Many Numbers Issued with Series Title or Number

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Mode of access: Internet.

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Shipping list no.: 96-0300-P.

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Mode of access: Internet.

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Title from cover.

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Examines a 1,731 square mile area in southern Illinois which has been designated a state Resource Rich Area.

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"Critical Trends Assessment Program."--Cover.