Toronto as a geographical area provides an exceptionally wide variety of subsoil stratification. Tunneling consequently required a very wide range of adaptabilities to meet its changing conditions. This discussion will provide a summary of work performed in both earth and rock formation using three of our recent works to describe a Contractor's experience.

  • Supplemental Notes:
    • Appeared in the proceedings of the North American Rapid Excavation and Tunneling Conference 1972, Vol. 2. Conference was held by the Society of Mining Engineers and the American Institute of Mining, Metallurgy and Petroleum Engineers.
  • Corporate Authors:

    American Institute of Mining, Mettalurgy & Petroleum Engineers

    345 East 47th Street
    New York, NY  United States  10017
  • Authors:
    • Jenkins, G F
    • Hobden, P S
  • Publication Date: 1972

Media Info

  • Features: Photos;

Subject/Index Terms

Filing Info

  • Accession Number: 00051931
  • Record Type: Publication
  • Source Agency: American Institute of Mining, Mettalurgy & Petroleum Engineers
  • Files: TRIS
  • Created Date: Apr 26 1974 12:00AM