993 resultados para US Geological Survey
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Preceded by Canada. Geological Survey. Section of Mines. Summary of Mineral Production of Canada for 1887-1906
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Mode of access: Internet.
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Appendices: I. Notes on some fossils from the Cambro-Silurian and Silurian rocks of the Albany river drainage system in northwestern Ontario, by J. F. Whiteaves.--II. Lists of insects, by J. F. Fletcher.
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Mode of access: Internet.
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"Revised January 1964"--P. 10.
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September 9, 1961.
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Last page blank.
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Mode of access: Internet.
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No. 11 (1933) reprinted in 1956.
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Mode of access: Internet.
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Text is a preprint from the U.S. Bureau of Mines' Minerals yearbook.
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Description based on: 1960.
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Mode of access: Internet.
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Mode of access: Internet.
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Part 6 is by John Macoun and N. C. Kindberg.