Item is a photograph of the Caledonia #4 Colliery in operation, Glace Bay.

Item is a postcard of coal miners mining on the 'Flats' between Main and Brown Streets in Sydney Mines.

Item is a postcard of coal miners mining on the 'Flats' between Main and Brown Streets in Sydney Mines.

Item is a photographic portrait of Dr. Thomas E. Jeans, the first G.M.A. doctor from 1829-1867.

Item is a reproduction of a photograph of the general offices and laboratory of the Dominion Iron and Coal Company in Glace Bay.

Item is a photograph of a stack at #4 Colliery being demolished.

Item is a photograph of the first draeger crew formed in North America; the crew was formed at the No. 2 and No. 9 collieries, Glace Bay. Front row: John Joe MacNeil, Mr. Fergie, Norman MacKenzie. Middle row: Dan "Storey" MacDonald, Joe Campbell, Thomas Turner, James MacMahon, ?, Roddie "Heenan" MacDonald, Matt MacAdam, Dan MacGillivary, Gilbert Darroch, Alex T. MacNeil, Mick Steele. Back row: Harry Miller, Vannie Nicholson, John MacLean, John Robinson, Dan W. "Kink" McDonald, ?, ? Evan Prothero, ?.

Item is a photograph of Mr. Earl Chubb visiting the #18 colliery on Nov. 18, 1956, along with other officials, a few months before he was made the President of the Dominion Coal Company. Left to right: Ernie Beaton, Earl Chubb, Grant Mitchell, D.R. MacKenzie.

Item is a photograph of a group of persons inspecting the #20 colliery. Some of the individuals are identified in the reverse caption, "Left to Right Front Row 1. Ernie Beaton 2. Tommy Hay 3.Unidentified 4. Lawrence Doucet 5. Unidentified Back Row 1. Unidentified 2. Unidentified 3. Unidentified 4. Neil Coldwell."

Item is a photograph of a view of the Dominion #6 Colliery, Passchendaele.