This annual report from the Detroit and Canada Tunnel Corporation is a rare find for any collector of railroadiana and transportation memorabilia. Covering the years 1971-1975, it provides a unique insight into the operations and history of the company. The report is in good condition and contains a wealth of information about the tunnel, including financial statements, management bios, and operational data. This is a must-have for any serious collector or history buff interested in the history of transportation in the United States and Canada.