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Lehigh Coal Mine Company records
Lehigh Coal Mine Company was an unincorporated joint-stock company, established in 1792, with the intention of developing a deposit of anthracite coal discovered by Jacob Weiss (1750-1839) and others at what is now Summit Hill in Carbon County, Pennsylvania. The collection consists of documents relating to land ownership and governance of Lehigh Coal Mine Company.
Pennsylvania Power & Light Company predecessor and subsidiary companies records
Pennsylvania Power & Light traces its origins to the various water and gas light companies that began operating in the eastern part of the state during the mid-nineteenth century. The records of the Pennsylvania Power & Light Company predecessor and subsidiary companies document the history of the gas and electric utility industry in eastern Pennsylvania in the years between 1853 and 1957. The collection includes both the administrative and operating records of more than 1100 companies that merged to form the PP&L system.