The Environment of America: Present/ Future/ Past: Selected Articles from a Variety of Sources ...
Thomas C. Jones
J. G. Ferguson Publishing Company; distributed to the book trade by Doubleday [New York, 1971 - Conservation of natural resources - 324 pages
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America the Beautiful
a Faithful Steward?
An Environment Fit for People
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action activities agricultural American amount animals appeared areas beauty become birds building called Captain carried cause changes chemical cities concern conservation continue cover Department early earth economic effects effort environment environmental existing Federal feet field fire fish fisheries forests four future ground grouse growing growth human hundred important increase Indians industry interest INTERIOR killed kind Lake land laws lead less living major marine means ment Michigan miles million National natural ocean operations organisms parks pesticides planning plants pollution population possible present problems production protection recommend regions require result river says SERVICE society soil sources species streams supply timber tion trees United urban waste wild wildlife