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Filter: Year of 1900-1999
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Filter: Subject of formations (geology)
| Date: | 1945 |
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| Description: | A group of men laying rails at Hawkins Mine while a man in the background is using surveying equipment near the base of a cliff face. |
| Date: | 09 1910 |
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| Description: | Three man stand in a small clearing on a steep rocky hill amid fallen trees. The small waterfall behind the men was the water power for the Leighton-Wyomin... |
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