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The collection contains records of the Maine Slate Company of Monson as well as personal papers of Walter L. Johnson, superintendent of the company, and his wife Harriet F. Johnson. This small collection contains a few folders of material from Walter Johnson's work as superintendent of the Maine Slate Company of Monson, including correspondence with C.N. Fay, the company president, and a group of reports to Fay of daily operations at the quarry, all from 1915. Also included are ten undated photographs showing quarry workers, the mining operation, and the mine buildings. The collection also contains personal papers of Walter and Harriet Johnson, most having to do with their business investments. One folder contains Harriet Johnson's correspondence after the death of her husband and concerns primarily her investments and business interests in logging and other activities.

Publication Date



Business and Industry



Size of Collection

2 boxes (0.8 cubic feet)

Dates of Collection

1915-1941, bulk 1915-1924

Manuscript Number

SpC MS 0320

Maine Slate Company of Monson Records, 1915-1941

Included in

History Commons