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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Page 246
... trees their weight was so heavy that not only big limbs and branches of the size of a man's thigh were broken straight off , but less firmly rooted trees broke down com- pletely under the load . The ground below the trees where they had ...
... trees their weight was so heavy that not only big limbs and branches of the size of a man's thigh were broken straight off , but less firmly rooted trees broke down com- pletely under the load . The ground below the trees where they had ...
Page 291
... trees . Sometimes only two or three birds will roost in one clump of trees : at other times a roost of twenty or thirty birds may extend in a thin line for half a mile along a stream : and , again , a small wood favorably situated may ...
... trees . Sometimes only two or three birds will roost in one clump of trees : at other times a roost of twenty or thirty birds may extend in a thin line for half a mile along a stream : and , again , a small wood favorably situated may ...
Page 312
... trees - tens of centuries old - that have been de- stroyed . It took more than three thousand years to make some of the trees in these Western woods -trees that are still standing in perfect strength and beauty , waving and singing in ...
... trees - tens of centuries old - that have been de- stroyed . It took more than three thousand years to make some of the trees in these Western woods -trees that are still standing in perfect strength and beauty , waving and singing in ...
Contents
America the Beautiful | 8 |
a Faithful Steward? | 25 |
An Environment Fit for People | 44 |
Copyright | |
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acres agencies agricultural air pollution alewives American animals areas become birds Bureau chemical cities coastal zone Commission conservation continue Creek crops dance earth ecological economic effects environment environmental farmers Federal feet fertility fish grouse growth human hundred hunter increase Indians industry insecticides insects INTERIOR killed Lake Michigan lake trout lamprey land lead leafhoppers lindane living major marine ment miles million minerals NATIONAL COAL ASSOCIATION National Forest NATIONAL PARK NATIONAL PARK SERVICE natural beauty ocean organisms percent pest pesticides pigeons planning plants POLLUTION CONTROL population prairie present problems production protection rainbow trout recommend recreation regions river scientists sea lamprey SOCIETY OF COLORADO soil species streams timber tion trees trout U.S. DEPT U.S. FOREST SERVICE United UPI COMPIX urban waste water pollution Whooping Crane wild wildlife woods