Online Public Access Catalogue (OPAC)
Library,Documentation and Information Science Division

“A research journal serves that narrow

borderland which separates the known from the unknown”

-P.C.Mahalanobis


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Rock tunneling with steel supports, [electronic resource] by Robert V. Proctor ... [and] Thomas L. White ... with an Introduction to tunnel geology, by Karl Terzaghi.

By: Contributor(s): Material type: TextTextPublication details: Youngstown, O. [Commercial Shearing & Stamping Co.] 1946.Description: 271 p. illus., diagrs. 28 cmSubject(s): DDC classification:
  • 625.13
LOC classification:
  • TF232 .P7
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