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Page 7284, results 182076 - 182100

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Publication Extents

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Contributions to economic geology, 1918, Part I, Metals and nonmetals except fuel
F. L. Ransome, Ernest Francis Burchard, Hoyt S. Gale
1919, Bulletin 690
The Survey's "Contributions to economic geology " have been published annually since 1902. In 1906 the increase in the number of papers coming under this (Classification made it necessary to divide the contributions into two parts, one including, papers on metals and nonmetals except fuels and the other including papers...
Fortieth annual report of the Director of the United States Geological Survey
George Otis Smith
1919, Annual Report 40
The fortieth annual report of the United States Geological Survey is an appropriate place in which to compare the present scope of the work with that of the work done during the first year of this organization. The growth of the Survey is suggested by a comparison of the appropriations...