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Books Books 1 - 5 of 5 on We have a limited supply of coal, and only a limited supply. Whether it is to last....  
" We have a limited supply of coal, and only a limited supply. Whether it is to last for a hundred or a hundred and fifty or a thousand years, the coal is limited in amount, unless through geological changes which we shall not live to see, there will never... "
The Fight for Conservation - Page 43
by Gifford Pinchot - 1910 - 150 pages
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Proceedings of the American Railway Engineering Association, Volume 15

American Railway Engineering Association - Railroads - 1914
...the welfare of this generation first, and afterward the welfare of the generations to follow. "The first principle of Conservation is development, the...descendants. "Conservation stands emphatically for the development and use of water power now, without delay. It stands for the immediate construction of...
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Perspectives on Technology

Nathan Rosenberg - Business & Economics - 1976 - 353 pages
...of Clifford Pinchot, Chief Forester of the United States, and an articulate leader of the Movement, We have a limited supply of coal, and only a limited...then we shall have deserved well of our descendants. And, The five indispensably essential materials in our civilization are wood, water, coal, iron, and...
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Thinking Through the Environment: A Reader

Mark J. Smith - Nature - 1999 - 435 pages
This broad ranging and thought provoking set of readings stresses the diversity of responses in the way the natural environment has been understood and questioned in the modern ...
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Environmental Ethics and Forestry: A Reader

Peter C. List - Nature - 2000 - 364 pages
...demands the welfare of this generation first, and afterward the welfare of the generations to follow. The first principle of conservation is development, the...descendants. Conservation stands emphatically for the development and use of water-power now, without delay. It stands for the immediate construction of...
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Proceedings of the ... annual convention, Volume 15

American Railway Engineering Association - Railroad engineering - 1914
...the welfa/e of this generation first, and afterward the welfare of the generations to follow. "The first principle of Conservation is development, the...descendants. "Conservation stands emphatically for the development and use of water power now, without delay. It stands for the immediate construction of...
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