 | 1892 - 632 стор.
...Watson, Granites of the southeastern Atlantic States. Washington f9io. With pl „ 427. E. C Harder, Manganese deposits of the United States, with sections on foreign deposits, chemistry, and uses. Washington 1910. „ 428. G S. Pope, The purchase of coal by the government under specifications. With... | |
 | American Geographical Society of New York - 1910 - 1090 стор.
...1910, Amer. Scenic and Hist. Preserv. Soc., Appendix B., pp. 227-346, Albany, 1910. HARDER, EDMUND C. Manganese Deposits of the United States with Sections on Foreign Deposits, Chemistry, and Uses. Bull. 427, US Geol. Surv., 298 pp., Maps, Ills., and Index, Washington, 1910. HAZARD, DANIEL L. Results... | |
 | 1919 - 294 стор.
...outcrop. In the northern part of the Batesville district this bed carries high grade manganese ores.1 1 Harder, EC, Manganese deposits of the United States,...sections on foreign deposits> chemistry, and uses: US Geol. Survey Bull. 427, pp. 102-118, 1910. Virginia. Other Eastern States. Virginia. Other Eastern... | |
 | 1922 - 320 стор.
...is exposed at many places, and the Kimmswick limestone, which rests upon 90 Harder, E. 0.. Mnngnnese deposits of the United States, with sections on foreign deposits, chemistry, and uses: tl. S. Geol. Survey Bull. 427, p. 112, I0l0. 91 Penrose, RAF, jr., op. cit., pp. 240-242. the Plattin.... | |
 | Nevada Bureau of Mines - 1904 - 1040 стор.
...possible shippers, and any local problems in connection with increasing present shipments. REFERENCES "Manganese Deposits of the United States with Sections on Foreign Deposits, Chemistry, and Uses" (US Geological Survey Bulletin No. 427, by EC Harder) is the best and most concise reference on the... | |
 | 1904 - 530 стор.
...possible shippers, and any local problems in connection with increasing present shipments. REFERENCES "Manganese Deposits of the United States with Sections on Foreign Deposits, Chemistry, and Uses" (US Geological Survey Bulletin No. 427, by EC Harder) is the best and most concise reference on the... | |
 | Geological Survey (U.S.), Alfred Hulse Brooks - 1909 - 858 стор.
...which the two minerals form concentric layers, the psilomelane being amorphous and the pyrolusite « Harder, EC, Manganese deposits of the United States...sections on foreign deposits, chemistry, and uses: Bull. US (Jeol. Survey (In preparation). occurring in small parallel needles. In many places nodules... | |
 | Charles Willard Hayes - 1910 - 764 стор.
...ores of northeastern Texas. In Bulletin 260, pp. 348-354. 1905. 40c. The Clinton hematite. In Eng. and Min. Jour., vol. 79, pp. 897-898. 1905. The iron...foreign deposits, chemistry, and uses. Bulletin 427. (In press.) Manganese ores. In Mineral Resources US for 1907, pt. 1, pp. 87-110. 1908. $1.00. The Taylor... | |
 | 1911 - 606 стор.
...897-898. 1905. The iron industry of Texas, present and prospective. In Iron Age, vol. 76, pp. 478^79. 1905. The Clinton or red ores of northern Alabama....deposits, Colorado. In Bulletin 380, pp. 188-198. 1909. The iron ores of the Appalachian region in Virginia. In Bulletin 380, pp. 215-254. 1909. Manganese... | |
 | United States. Bureau of Mines - 1911 - 632 стор.
...Resources U. 8. for 1907, US Oeol. Survey, 1908; Mineral Resources US for 190S, US Oeol. survey, 1909. 'Harder, EC Manganese deposits of the United States,...sections on foreign deposits, chemistry and uses: Bull. US Geol. Survey No. 427, 1910. 1907. 1908. 1909. State. Average price per ton. Average price... | |
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HARDER, EC Manganese deposits of the United States; with sections on foreign deposits, chemistry, and uses. 
