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Autor(en): 
  • California Mining Company
  • Annual Report of the California Mining Company, 1876 (Classic Reprint) 
     

    (Buch)
    Dieser Artikel gilt, aufgrund seiner Grösse, beim Versand als 2 Artikel!


    Übersicht
     
    Lieferstatus:   i.d.R. innert 7-14 Tagen versandfertig
    Genre:  Naturwissensch., Medizin, Technik 
    ISBN:  9780331856286 
    EAN-Code: 
    9780331856286 
    Verlag:  Forgotten Books 
    Einband:  Gebunden  
    Sprache:  English  
    Dimensionen:  H 229 mm / B 152 mm / D 14 mm 
    Gewicht:  396 gr 
    Seiten:  178 
    Zus. Info:  78:B&W 6 x 9 in or 229 x 152 mm Blue Cloth w/Jacket on White w/Gloss Lam 
    Bewertung: Titel bewerten / Meinung schreiben
    Inhalt:
    Excerpt from Annual Report of the California Mining Company, 1876

    On the 1500 foot level a drift has been run from our southern to our northern boundary, west of the ore vein. Cross-cuts have been run from this drift 100 feet apart, making six in all. The ore thus developed, shows a width of from 75 to 208 feet. Cross-cuts Nos. 1 and 2 have crossed the ore vein. Cross-cuts Nos. 3, 4, 5 and 6 have not yet been extended across the ore vein, and its width is yet unknown. A lateral drift has been run in the ore vein from the southern to the northern boundary, crossing all of these cross-cuts and intercept ing the openings of the Ophir mine. The ore passed through the entire length of this drift. Except the northern 70 feet, has been of exceedingly high grade, assaying for weeks, during its construction, a thousand dollars per ton. Three double winzes have been raised in the ore body from this level in cross-cuts Nos. 1, 2 and 3 to the 1400 foot level, all passing through ore of' excellent quality.

    About the Publisher

    Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com

    This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

      



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