Rock tunneling with steel supports
By: by Robert V. Proctor ... [and] Thomas L. White ... with an Introduction to tunnel geology, by Karl Terzaghi.
Contributors: White, Thomas L. joint author.; Terzaghi, Karl von, 1883-
Publisher: [Commercial Shearing & Stamping Co.]
Published: 1946
Place of publication: Youngstown, O
Language: eng
Number of pages: 271
Subjects: Tunneling; Geology, Structural
Notes: "Source of useful information" at end of first section.