Company Records Series -- New Jersey and Pennsylvania Concentrating Works -- Plant Operations Records -- Unbound Records
[CJ051-F] Notes & Drawings (undated)
This folder contains undated notes and drawings by unidentified authors. Less than 10 percent of the documents have been selected. The unselected material consists mostly of drawings for building construction and magnetic survey maps from the Davenport and Iron Hill mines.
Courtesy of Thomas Edison National Historical Park.