CA117609A - Method of excavating rock tunnels - Google Patents
Method of excavating rock tunnelsInfo
- Publication number
- CA117609A CA117609A CA000117609A CA117609DA CA117609A CA 117609 A CA117609 A CA 117609A CA 000117609 A CA000117609 A CA 000117609A CA 117609D A CA117609D A CA 117609DA CA 117609 A CA117609 A CA 117609A
- Authority
- CA
- Canada
- Prior art keywords
- rock tunnels
- excavating rock
- excavating
- tunnels
- rock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA117609T | 1908-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA117609A true CA117609A (en) | 1909-04-06 |
Family
ID=45237333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000117609A Expired CA117609A (en) | 1908-07-27 | 1908-07-27 | Method of excavating rock tunnels |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA117609A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5380127A (en) * | 1993-03-15 | 1995-01-10 | Cigar Lake Mining Corporation | Non-entry method of underground excavation in weak or water bearing grounds |
-
1908
- 1908-07-27 CA CA000117609A patent/CA117609A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5380127A (en) * | 1993-03-15 | 1995-01-10 | Cigar Lake Mining Corporation | Non-entry method of underground excavation in weak or water bearing grounds |
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