After eight previous years, Holt bought the forty-two subscribers DUBOis Telephone Exchange to L. A. Boland and he ran the exchange all his life until the sale of his company to Bill and De Lamb of 1958.
After eight years of operation, Holt sold the forty-two subscriber Dubois Telephone Exchange to L. A. Boland who ran the exchange until selling his interest in the company to Bill and De Lamb in 1958.