TABLE 1.--YEARLY MILEAGE OF THE PIONEER (From Annual Reports of the Cumberland Valley Railroad) _Year_: _Miles_ 1852 3,182[a] 1853 20,722[b] 1854 18,087 1855 14,151 1856 20,998 1857 22,779 1858 29,094 1859 29,571 1860 4,824 1861 4,346 1862 ([c]) 1863 5,339 1864 224 1865 2,215 1866 20,546 1867 5,709 1868 13,626 1869 1,372 1870 ... 1871 2,102 1872 4,002 1873 3,721 1874 3,466 1875 636 1876 870 1877 406 1878 4,433 1879 ... 1880 8,306 1881 ([d]) --------- Total 244,727[e] FOOTNOTES TO TABLE 1: [a] Mileage 1852 for January to September (no record of mileage recorded in Annual Reports previous to 1852). [b] 15,000 to 20,000 miles per year was considered very high mileage for a locomotive of the 1850's. [c] No mileage reported for any engines due to fire. [d] Not listed on roster. [e] The Pennsylvania Railroad claims a total mileage of 255,675. This may be accounted for by records of mileages for 1862, 1870, and 1879. In 1871 the _Pioneer_ was remodeled by A. S. Hull, master mechanic of the railroad. The exact nature of the alterations cannot be determined, as no drawings or photographs of the engine previous to this time are known to exist. In fact, the drawing (fig. 8) prepared by Hull in 1876 to show the engine as remodeled in 1871 is the oldest known illustration of the _Pioneer_. Paul Westhaeffer, a lifelong student of Cumberland Valley R. R. history, states that according to an interview with one of Hull's descendants the only alteration made to the _Pioneer_ during the 1871 "remodeling" was the addition of a handbrake. The road's annual report of 1853 describes the _Pioneer_ as a six-wheel tank engine. The report of 1854 mentions that the _Pioneer_ used link motion. These statements are enough to give substance to the idea that the basic arrangement has survived unaltered and that it has not been extensively rebuilt, as was the _Jenny Lind_ in 1878.