Reports are from Engineers William O. Webber, Phillip Wallis, F.W. Sargen, C.H. Quereau, J.A. Carney M.H. Wickhorst, and others; as well as from Chemists E.A. McCulloch, Walter Lee Brown, and George H. Ellis. Reports were made to Purchasing Agents C.M. Higginson from 1876-1879; Wm. Irving, 1879-; George B. Harris, 1882; G.W. Rhoades, Superintendent, 1885-1886, and various others. Reports include quality of oil, and its efficacy on the brake surfaces, testing of kerosene and other chemicals, testing of axles, bridge rods, brakes, boiler braces and plates, coal, copper, hoses, iron, nuts, rope, rail, rivets, springs, sewer pipes, wire, etc. Many report books have indexes to their contents in the front of the volume. Index to all reports is in Book 1.

Also included are minutes from the Aurora Foreman's Association meetings from 1898-1904, Payroll and expense information, Etchings (rubbings) of rail cross sections and axles, and diagrams made by fitting paper to a steam-pressure cylinder to gauge its variations of pressure or vacuum.

Forms part of the Chicago, Burlington & Quincy Railroad Company Records.

This finding aid describes additions to the original deposit of records inventoried in the Guide to the Burlington Archives in the Newberry Library, 1851-1901 (Chicago: Newberry Library, 1949). Certain materials have been deaccessioned and donated to the Burlington Route Historical Society; see curator for details.