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Plymouth No. 3
Area & Railroad Maps
1884 2nd Pa Geo Survey Sheet V
1890 Northern Field (163) PSU
1892 DLW Map 52858 Steamtown
1894 Baist Atlas Wyoming and Lackawanna Valley Plate 3
Period Photos
Healey Mining eBook
Penn Pilot and Aerial Photos
Mine Inspections
Inspector Narratives
City & Sanborn Maps
News, History & Articles
Modern Photos & Google Earth
Other Materials
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