Coal Industry--Pennsylvania--19th century 4 Banking--Philadelphia--20th century 1 Banks and Banking--19th century 1 Banks and banking--Pennsylvania 1 Coal Industry--20th century 1 Coal mines and mining--Pennsylvania 1 Coal--Northampton and Luzerne Cos 1 more ... Land surveys--Pennsylvania--19th century 1 Lumber trade--Pennsylvania--19th century 1 Merchants, Coal--Pennsylvania--19th century 1 Oil Industry--Forrest Co. (Pa.)--19th century 1 Oil drilling--Pennsylvania--19th century 1 Railroad History--Pennsylvania 1 Railroads--Pennsylvania 1 less ...