File consists of correspondence, orders, contracts and technical drawings related to the construction of a railway line and steel trestle connecting Canadian Pacific rail lines to the Kodak Heights Powerhouse (Building 1) between 1913 and 1915. Correspondents include members of Canadian Kodak Co., Ltd., Eastman Kodak Company, Canadian Pacific Railway, the Standard Steel Construction Co. of Welland, Ontario, and C.E. Deakin, Ltd. of Mount Dennis, Ontario. The Standard Steel Construction Co. was contracted to design and construct the trestle. C.E. Deakin Ltd. was contracted to perform a number of tasks in the construction of Kodak Heights, including driving piles beneath trestle footings. The project was executed under the supervision of C.K. Flint (a.k.a. C.O. Flint), a former employee at Kodak Park in Rochester, who later became Engineer in Charge at Canadian Kodak Co. Ltd. The trestle was erected in October of 1914.