Flood prevention in anthracite mines, Northern field :
anthracite region of Pennsylvania, project no. 1 (Lackawanna) /
by S.H. Ash ... [et al.]
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Item Link | Original Source |
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Full view NO545 | The Ohio State University |
Full view NO545-550 | The Ohio State University |
Full view NO547 | The Ohio State University |
Full view NO551-555 | The Ohio State University |
Full view NO555 | The Ohio State University |