Browsing by Author "Woodworth, R. B."
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| Issue Date | Title | Author(s) |
|---|---|---|
| 1911 | The timbering of mines, particularly with steel | Woodworth, R. B.; Carnegie Library of Pittsburgh. |
Showing results 1 to 1 of 1
Browsing by Author "Woodworth, R. B."
Showing results 1 to 1 of 1
Showing results 1 to 1 of 1
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