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Minas Ragra
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<h2 id="see-also">See also</h2> <ul><li>Lluis Fontbote; G. Christian Amstutz; Miguel Cardozo; Esteban Cedillo; Jose Frutos (27 November 2013). <a href="https://books.google.com/books?id=01zxCAAAQBAJ"><i>Stratabound Ore Deposits in the Andes</i></a>. Springer Science & Business Media. p. 595. <a href="/facts/ISBN_(identifier)/15AdSPa9">ISBN</a> 978-3-642-88282-1.</li> <li>Trefzger, Erwin F. (1951). <a href="https://books.google.com/books?id=OVJLAAAAYAAJ">"Vanadium lagerstätte Mina Ragra in Peru"</a>. <i>Berichte der Naturforschenden Gesellschaft zu Freiburg I. Br</i> (in German). DWI.</li> <li>Phillip Maxwell Busch (1961). <a href="https://books.google.com/books?id=5gZS8X-NDHQC"><i>Vanadium: A Materials Survey</i></a>. U.S. Department of the Interior, Bureau of Mines.</li> <li><a href="https://books.google.com/books?id=1VAQAAAAIAAJ">"The Story of Mina Ragra"</a>. <i>Engineering and Mining Journal</i>. McGraw Hill Publishing Company: 59. January 1947.</li></ul> <p><a href="https://geohack.toolforge.org/geohack.php?pagename=Minas_Ragra¶ms=10.8595632_S_76.5720061_W_source:wikidata">10°51′34″S 76°34′19″W / 10.8595632°S 76.5720061°W / -10.8595632; -76.5720061</a> </p> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Hewett, Donnel Foster (1906). "A new occurrence of vanadium in Peru". Engineering and Mining Journal. 82 (9): 385. <a href="https://babel.hathitrust.org/cgi/pt?id=mdp.39015011434712;view=1up;seq=421" target="_blank">https://babel.hathitrust.org/cgi/pt?id=mdp.39015011434712;view=1up;seq=421</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Hillebrand, W. F. (1907). "The Vanadium Sulphide, Patronite, and ITS Mineral Associates from Minasragra, Peru". Journal of the American Chemical Society. 29 (7): 1019–1029. doi:10.1021/ja01961a006. ISSN 0002-7863. <a href="https://zenodo.org/record/1450154" target="_blank">https://zenodo.org/record/1450154</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Fischer, Siegfried (1914). "Uranium and Vanadium". Early Publications of the Lehigh Faculty (Paper 293). <a href="http://preserve.lehigh.edu/early-faculty-publications/293" target="_blank">http://preserve.lehigh.edu/early-faculty-publications/293</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>