This folder contains documents, primarily correspondence, relating to milling operations at Ogden, New Jersey. Most of the letters are to or from Edison; Owen J. Conley, superintendent; William S. Perry, treasurer; and Charles Batchelor. Included are letters pertaining to drying and bricking technologies and to the market value of molybdenite. Also included is a letter from Perry to Robert L. Cutting, Jr., describing progress at the mill. Approximately 50 percent of the documents have been selected. Courtesy of Thomas Edison National Historical Park.