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Books Bücher 1 - 8 von 8 in The practice of foremen in the thirty principal granite quarries of Maine, as explained...
" The practice of foremen in the thirty principal granite quarries of Maine, as explained by them to the writer, was found to be as follows: Vertical blast holes almost as deep as the thickness of the sheet are "Bowman, Isaiah, Well-drilling methods: Water... "
Bulletin - United States Geological Survey - Seite 69
von Geological Survey (U.S.) - 1907
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Bulletin, Ausgaben 313-315

1907
...by Daw.'- and a general description of quarry methods will be found in a report by Walter B. Smith." The practice of foremen in the thirty principal granite...Maine, as explained by them to the writer, was found to lx> as follows: Vertical blast holes almost as deep as the thickness of the sheet are • Knwmiin,...
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The Granites of Maine

Thomas Nelson Dale, George Otis Smith - 1907 - 202 Seiten
...by Daw,6 and a general description of quarry methods will be found in a report by Walter B. Smith." The practice of foremen in the thirty principal granite...methods : Water Sup. and Irr. Paper (in preparation). 1 Daw. AW and KW, The blasting of roeks in mines, quarries, and tunnels, etc., pt. 1, London, 1898....
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The Green Schists and Associated Granites and Porphyries of Rhode Island

Benjamin Kendall Emerson, Joseph Hartshorn Perry - 1907 - 74 Seiten
...by Daw.'1 and a general description of quarry methods will be found in a report by Walter B. Smith/ The practice of foremen in the thirty principal granite...Maine, as explained by them to the writer, was found to l>e as follows: Vertical blast holes almost as deep as the thickness of the sheet are " riiiwman, iRainh,...
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The Chief Commercial Granites of Massachusetts, New Hampshire and Rhode Island

Thomas Nelson Dale - 1908 - 228 Seiten
...by Daw," and a general description of quarry methods will be found in a report by Walter B. Smith.6 The, practice of foremen in the thirty principal granite...quarries of Maine, as explained by them to the writer, is described in Bulletin 313, pages 69-71. In visiting the (marries described in this bulletin a few...
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The Chief Commercial Granites of Massachusetts

Thomas Nelson Dale - 1908 - 228 Seiten
...by Daw," and a general description of quarry methods will be found in a report by Walter B. Smith. 6 The practice of foremen in the thirty principal granite...quarries of Maine, as explained by them to the writer, is described in Bulletin 313, pages 69-71. In visiting the .quarries described in this bulletin a few...
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Mining and Engineering World, Band 27

1907
...quarryman desires to split the mass are all factors in each problem. The practice of foremen in the 30 principal granite quarries of Maine, as explained...holes almost as deep as the thickness of the sheet are drilled by pneumatic or steam drills along a proposed line of fracture under three sets of conditions....
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Congressional Serial Set

1907
...by Daw.* and a general description of quarry methods will be found in a report by Walter B. Smith:0 The practice of foremen in the thirty principal granite...holes almost as deep as the thickness of the sheet are * Howman, Isaiitli. Wcll-drillinj; methods: Water Sup. and Irr. Paper (In preparation). * Daw. AW and...
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Granite: Published ... in the Interests of the Producer ..., Band 18

1905
...quarryman desires to split the mass are all factors in each problem. The practice of formen in the 30 principal granite quarries of Maine, as explained...holes almost as deep as the thickness of the sheet are drilled by pnueumatic or steam drills along a proposed line of fracture under three sets of conditions....
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