Wikipedia:WikiProject Trains/ICC valuations/Philadelphia and Reading Railway

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The owned mileage of the Philadelphia and Reading, amounting to 381.159 miles, was acquired by purchase or construction. [...]
 * DEVELOPMENT OF FIXED PHYSICAL PROPERTY

Acquired by construction:
 * Delaware Avenue Branch, 1901 2.340
 * Nicetown Junction to Newtown Junction, 1915 1.780
 * 4.120

Acquired by purchase after foreclosure:
 * From The Philadelphia and Reading Railroad Company, Dec. 1, 1896—
 * Constructed by that company—
 * Reading to Pottstown, Pa., 1838.
 * Pottstown to Bridgeport, Pa., 1838
 * Bridgeport to Philadelphia, Pa., 1839
 * Reading to Mount Carbon, Pa., 1842
 * Extension to Port Richmond, Philadelphia, Pa., 1842
 * 100.49
 * Various branches and extensions 40.78
 * Total 141.27
 * Constructed by the Lebanon Valley Railroad Company—
 * Reading to Lebanon, Pa., 1857
 * Lebanon to Hummelstown, Pa., 1857
 * Hummelstown to Harrisburg, Pa., 1858
 * 55.48
 * Constructed by the Locust Gap Improvement Company—
 * Locust Gap to a point south of Enterprise Junction, Pa., 1855-1860 0.84
 * Constructed by The Union Canal Company of Pennsylvania's Railroad—
 * Pine Grove, Pa., to a junction with the Swatara Railroad, 1830 4.00
 * 201.59
 * Constructed by noncarrier companies prior to acquisition by The Enterprise Railroad Company, no details 2.90
 * Partly constructed by The Enterprise Railroad Company, completed by The Philadelphia and Reading Railroad Company—
 * Shamokin to Enterprise, Pa., 1868 6.00
 * Constructed by the Mahanoy and Broad Mountain Railroad Company—
 * Broad Mountain to Ashland, Pa., including branches, 1861-1862 50.00
 * Constructed by The Mahanoy Valley Railroad Company—
 * All in Pennsylvania, no details 19.00
 * Constructed by The Shamokin and Trevorton Railroad Company—
 * Shamokin to Trevorton, Pa., 1850-1854 8.00
 * Constructed by The Susquehanna and Union Bridge Company—
 * Bridge across the Susquehanna River between Herndon and Port Trevorton, Pa., 1850-1854 1.00
 * Constructed by The Trevorton, Mahanoy and Susquehanna Railroad Company—
 * Eighth Street, Trevorton to Susquehanna River at Herndon, Pa., 1850-1854 14.00
 * Total 100.90
 * Less excess of accumulated mileage over that reported by the Philadelphia and Reading 9.02
 * 91.88
 * Constructed by The Good Spring Railroad Company—
 * Good Spring Station to Good Spring Colliery, Pa. 1.36
 * Constructed by The Swatara Railroad Company—
 * Lorberry Junction to Williams Valley Junction, Pa., 1842-1851 16.90
 * Constructed by The Lorberry Creek Railroad Company—
 * Lorberry Junction to Lincoln Colliery, Pa., no details 6.97
 * Constructed by The Pine Grove and Lebanon Railroad Company—
 * Lebanon-Schuylkill County line to Pine Grove, Pa., 1869 6.00
 * Constructed by the Northern Liberties and Penna[sic] Township Railroad Company—
 * Double track from Broad Street to Pier 25, North Wharves, Philadelphia, Pa., 1832-1835 1.36
 * Constructed by the Mount Carbon Railroad Company—
 * Mount Carbon to south side of Broad Mountain, with branch to Mine Hill, all in Pennsylvania, 1829-1831 7.44
 * Constructed by the Port Kennedy Railroad Company—
 * Port Kennedy, Pa., to a point east of switch to Todd & Sons lime kiln 1.16
 * Constructed by the Dauphin and Susquehanna Coal Company—
 * Rockville to Rausch's Gap, Pa., about 1850
 * Rausch's Gap to Auburn, Pa., 1853-1854
 * 53.00
 * Constructed by The West Reading Railroad Company—
 * From near Fouth[sic] Street to a bumper south of Seventh Street, Reading, Pa., 1863-1864 1.80
 * Constructed by The Manufacturers Railroad Company—
 * Tracks in Harrisburg, Pa., 1871 or 1872 0.81
 * 96.80
 * Total 390.27
 * Less excess of recorded mileage over that reported on date of demise 4.389
 * 385.881
 * Total recorded mileage 390.001
 * Difference between total recorded mileage and mileage inventoried as of date of valuation 8.842
 * Mileage inventoried as of date of valuation 381.159

In addition to the above, the Philadelphia and Reading jointly owns with The Pennsylvania Railroad Company 3.631 miles of road, variously located, for which the details of construction are not obtainable.