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Your search for [subject]Conservation of natural resources -- United States -- History -- Sources returned 2 records. |
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The American environment : readings in the history of conservation.
by Nash, Roderick.; Reading, Mass.: Addison-Wesley Pub., 1968.
Subject: Conservation of natural resources -- United States -- History -- Sources.
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A documentary history of conservation in America.
by McHenry, Robert.; New York: Praeger, 1972.
Subject: Conservation of natural resources -- United States -- History -- Sources; Ecology -- United States -- History -- Sources.
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