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Minerals, Lands, and Geology for the Common Defence and General Welfare, Volume 3, 1904-1939 : A History of Geology in Relation to the Development of Public-Land, Federal-Science, and Mapping Policies and the Development of Mineral Resources in the… (original 1986; édition 1986)
Minerals, Lands, and Geology for the Common Defence and General Welfare, Volume 3, 1904-1939 : A History of Geology in Relation to the Development of Public-Land, Federal-Science, and Mapping Policies and the Development of Mineral Resources in the United States From the 25th to the 60th Year of the U.S. Geological Survey
Minerals, Lands, and Geology for the Common Defence and General Welfare, Volume 3, 1904-1939 : A History of Geology in Relation to the Development of Public-Land, Federal-Science, and Mapping Policies and the Development of Mineral Resources in the United States From the 25th to the 60th Year of the U.S. Geological Survey par Rabbitt; Mary C. (1986)
Informations provenant du Partage des connaissances anglais.Modifiez pour passer à votre langue.
In the growth of the country and gradual development of the natural resources there have been three noteworthy stages. * * * In the first stage the resources received little thought. In the second they were wastefully used. In the third stage which we are now entering wise and beneficial uses are essential, and the checking of waste is absolutely demanded.
--National Conservation Commission, 1909
Dédicace
Premiers mots
Informations provenant du Partage des connaissances anglais.Modifiez pour passer à votre langue.
In 1904, the U.S. Geological Survey celebrated the 25th anniversary of its establishment by act of Congress on March 3, 1879.
Citations
Derniers mots
Informations provenant du Partage des connaissances anglais.Modifiez pour passer à votre langue.
Thus, as the Survey entered its 61st year, it was ready to begin a period not of decline but of extraordinary growth.