Shipping pulp to Minnesota
The shipment of industrial materials was carefully regulated during the Second World War, especially when they were crossing an international border. Unbleached sulphite pulp is an ingredient used to make paper.
Advice of shipment, Great Lakes Paper Co., Fort William, Ontario, to Blandin Paper Co., Grand Rapids, Minnesota, 19 September 1942
John Irvine Collection - London, Ontario
postcard, 14cm x 8.9cm