Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
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-P.C.Mahalanobis
625.13 Proctor, Robert V., 1890-1967., ((Robert Videtto),) Rock tunneling with steel supports, by Robert V. Proctor ... [and] Thomas L. White ... with an Introduction to tunnel geology, by Karl Terzaghi. - Youngstown, O. [Commercial Shearing & Stamping Co.] 1946. 271 p. illus., diagrs. 28 cm. "Source of useful information" at end of first section. * Tunneling. Geology, Structural. Perfuracao E Desmonte Em Mineracao Fundacoes E Escavacoes * White, Thomas L.Terzaghi, Karl, * Title