01/23/1890 Livor, Henry M to Edison, Thomas Alva
(Ogden Ore Separating Plant; New Jersey and Pennsylvania Concentrating Works) Property; Production difficulties and adjustments; Ore exploration and mining
[CJ002]  Company Records Series -- New Jersey and Pennsylvania Concentrating Works -- Administrative and Financial Records: Correspondence (1890)
[CJ002AAO; TAEM 149:74]
Courtesy of Thomas Edison National Historical Park.