Fonds consists of correspondence (1906-1955), mine leases (1903-1919), sales agreements (1908-1948), gold return memos from U.S. and Royal Canadian Mints (1903-1912, 1938-1940), monthly summaries of mine operations (1938-1942) and expense statements (1938-1941), geologists’ reports (1927, 1935-1938), prospectus reports (1903, 1928, 1935-1940), stock certificates (or shares 1903, 1935), plans of mine workings and lease holders (1891-1940), mineral maps of Nova Scotia (ca1901, 1912, 1935), and some photographs of mining machinery and above-ground buildings (1930s). The files are arranged by company name in roughly chronological order by the archivist.
Correspondence is addressed mostly to Arthur Brennan, and includes his correspondence with company representatives (1924-1949); the Department of Public Works and Mines (1921-1949); with mine managers Frank Reeves (1921-1945), N.O. Lawton (1939-1940), and R.W. Sweet (1940-1941); with his brother C. Victor Brennan, a mining engineer in British Columbia (1922-1948); with his lawyers (1922-1949); and with other prospective buyers (1921-1924, 1929-1934). Fonds also includes early correspondence of W.A. Brennan (1906-1915) and one file of correspondence to Arthur Brennan’s son Bill Brennan regarding closing the mine (1943-1955).