Duff, John
Person
Found in 1 Collection or Record:
Bell Telephone System of South Dakota
Item — Drawer 12, File: 35, Item: 35
Scope and Contents
From the Collection:
Collection contains Fr. Szalay's research notes, newspaper clippings, and ephemera on a vast array of historical topics related to Spearfish and the Northern Black Hills.
Dates:
1885 - 1975; Majority of material found within 1955 - 1975