859 resultados para porphyry copper
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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M. Belidor's New Method of mining. To which is added, M. Vallier's Dissertation on countermines.
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Mode of access: Internet.
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Cover title.
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Mode of access: Internet.
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Published also as University of Illinois Engineering Experiment Station bulletin no. 93 with title: A preliminary study of the alloys of chromium, copper, and nickel, by D.F. McFarland and O.E. Harder.
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Errata for Ars pictoria, p. [8] of preliminaries. Errata for Appendix, p. 39.
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All of the numbered plates in the atlas are double plates, and thus are counted twice in the adjusted plate count.
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"ASTIA document no. AD142344."
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"Contract no. AF 18(600) 1000. File no. 10-16. AFOSR-TR-58-92. ASTIA AD 162133. Cornell University, Department of Engineering Physics."
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Mode of access: Internet.
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"Contract no. AF 18(600) 1000. File no. 10-16. AFOSR-TR-57-11. ASTIA AD 120411. Cornell University, Department of Engineering Physics."
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At head of title: Imperial Mineral Resources Bureau.