 North. The ores come in competition with foreign ores and the manganese mining industry has steadily declined for a number of years. The more easily accessible deposits are so far exhausted that the production will probably never reach its former proportions.  Contributions to Economic Geology, 1905 - Page 189by Geological Survey (U.S.), Samuel Franklin Emmons - 1906 - 506 pagesFull view - About this book
 | Geology - 1906 - 1190 pages
...ORISKANY AND CLINTON IRON ORES OF VIRGINIA. 189 BIBLIOGRAPHY. Of the reports listed In-low, those hy McCreath and Moore contain detailed discussions of...or a geologic point of view. BOYD, CR The mineral wraith of southwestern Virginia. Trims. Am. Inst. Min. Eng., vol. 5. pp. 81-92. 1877. Idem, vol. 8,... | |
 | Geological Survey (U.S.) - Geology - 1906 - 552 pages
...the soft or leached ore has been used, the deposits can hardly be regarded as of commercial vakie. BIBLIOGRAPHY. Of the reports listed below, those by...Min. Eng., vol. 5, pp. 81-92. 1877. Idem, vol. 8, pp. 338-348. 1880. Resources of southwest Virginia. 8°. 321 pp. New York, 1881. The economic geology of... | |
 | Julian Alvin Carroll Chandler, Franklin Lafayette Riley, James Curtis Ballagh, John Bell Henneman, Edwin Mims, Thomas Edward Watson, Samuel Chiles Mitchell, Joseph Walker McSpadden - American literature - 1909 - 758 pages
...exhausted that the production will probably never reach its former proportions. BIBLIOGBAPHY. — IRON. — Boyd, CR : The Mineral Wealth of Southwestern Virginia (Trans. Am. Inst. Min. Eng., Vol. V, 1877, _pp. 81-92; Vol. VIII, 1880, pp. 338-348); Resources of Southwest Virginia (New York, 1881,... | |
 | Franklin Lafayette Riley, Julian Alvin Carroll Chandler, James Curtis Ballagh, John Bell Henneman, Edwin Mims, Thomas Edward Watson, Samuel Chiles Mitchell, Joseph Walker McSpadden - American literature - 1909 - 740 pages
...exhausted that the production will probably never reach its former proportions. BIBLIOGRAPHY. — IRON. — Boyd, CR : The Mineral Wealth of Southwestern Virginia (Trans. Am. Inst. Min. Kng., Vol. V, 1877, pp. 81-92; Vol. VIII, 1880, pp. 338-348); Resources of Southwest Virginia (New... | |
 | Franklin Lafayette Riley, James Curtis Ballagh, John Bell Henneman, Edwin Mims, Thomas Edward Watson, Samuel Chiles Mitchell - American literature - 1909 - 746 pages
...production will probably never reach its former proportions. BIBLIOGRAPHY. — IKON. — Boyd, CK : The Mineral Wealth of Southwestern Virginia (Trans. Am. Inst. Min. Eng., Vol. V, 1877, pp. 81-92; Vol. VIII, 1880, pp. 338-348); Resources of Southwest Virginia (New York, 1881,... | |
 | United States - 1911 - 632 pages
...November 7, • 1908, p. 908. ARCHER, GF Future of Adirondack iron: Sibley Jour. Eng., June, 1908. BOYD, CR The mineral wealth of southwestern Virginia: Trans. Am. Inst. Min. Eng., vol. 5, 1877, pp. 81-92; vol. 8, 1880, pp. 338-348. . Resources of southwest Virginia, New York, 1881, 321... | |
 | United States. Bureau of Mines - Digital images - 1912 - 1036 pages
...June, 1908. BAYLEY, WS, Iron mines and raining in New Jersey: New Jersey Geol. Survey, vol. 8, 1910. BOYD, CR, The mineral wealth of southwestern Virginia: Trans. Am. Inst. Min. Eng., vol. 5, 1877, pp. 81-92; vol. 8, 1880, pp. 338-348. Resources of southwest Virginia, New York, 1881,tô2l pp.... | |
 | Digital images - 1909 - 822 pages
...November 7, 1908, p. 908. ARCHER, GF Future of Adirondack iron: Sibley Jour. Eng., June, 1908. BOTD, CR The mineral wealth of southwestern Virginia: Trans. Am. Inst. Min. Eng., vol. 5, 1877, pp. 81-92; vol. 8, 1880, pp. 338-348. . Resources of southwest Virginia: New York, 1881, 321... | |
 | Missouri. Bureau of Geology and Mines - Paleontology - 1894 - 466 pages
...Eng., Vol. xll, p. 31 . 26. —The Wythe Zinc Mines. Eng. and Mm. Jour., Vol. Iv, pp. 56 and 586. 27. —The Mineral Wealth of Southwestern Virginia. Trans. Am. Inst. Min. Eng., Vol. v, p. 81. 28. BRACKENRIDGE, HM, JR.— Views of Louisiana, together with a Journal of a Voyage up the... | |
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