Lafayette College (Easton, Pa.). Dept. of Mining and Metallurgical Engineering.
| Role | Title | Holding Repository | |
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| referencedIn | Hirst, Harry Moore. Haulage at Law Shaft, Central Colliery, Avoca, Penna. / by Harry M. Hirst, Julius Freund. | Lafayette College |
| Role | Title | Holding Repository |
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| associatedWith | Hirst, Harry Moore. | person |
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