Eight-mile Cascade tunnel, Great Northern railway.
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| Title: | Eight-mile Cascade tunnel, Great Northern railway. |
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| Authors: | Kerr, D. J. |
| Source: | Proceedings of the American Society of Civil Engineers; September 1931, Vol. 57, p1101-1104, 4p |
| Database: | Applied Science & Technology Source |
| ISSN: | 0097417X |
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