• Letter from the surveyor of the route of the Westborough Railroad, 1827 

  Unknown author (1827)
• Report of survey and location of the Suburban Railroad, 1891-1893 

  Bidwell, L. B. (1893)
• Report of the Boston and Hudson River railroad surveys, Feb. 4, 1829 

  Young, William Clark, 1799-1893. (1829-02-04)
• Letter to Edward F. Thomas, 1885 

  Keith, Herbert F. (1885)
• Letter to F W. Parsons, 1894 

  Healy, W. H. (1894)
• Letter from William Gibbs McNeill to T.B. Wales, January 19, 1835 

  McNeill, William Gibbs, 1801-1853. (1835-01-19)
• Letter to Abijah Goodrich concerning Charlestown Railroad, 1835 

  Perham, Benjamin Franklin, 1806-ca. 1837. (1835)
• Letter to T. Wentworth, Feb. 22, 1853 

  Abbot, J. W. P. (1853-02-22)
• Papers pertaining to a proposed branch railroad diverging from the Boston and Providence Railroad and terminating at Taunton, 1835 

  McNeill, William Gibbs. (1835)
• Letter to Albert Thompson estimating the cost of continuing the Woburn Railroad, 1851 

  Unknown author (1851)
• Estimate accompanying pland and profile for Lowell and Lawrence railroad, 1851 

  Unknown author (1851)
• Estimated costs of a railroad in Hamilton to the Methodist Campground, 1870 

  Putnam, Charles A. (1870)
• Estimate of cost of railroad from North Easton to Stoughton 

  Smith, Joseph. (2010-09-21)
• Estimate of cost of Saugus Branch Railroad: manuscript 

  Unknown author (1853)
• Letter to developers of the West Newbury to Georgetown Railroad, Feb. 20, 1851 

  Cunningham, Joseph N. (1851-02-20)
• Letter by Simeon Borden to Ebenezer D. Ammidown, 1850 

  Borden, Simeon, 1798-1856. (1850)
• Report and estimate for the Railroad from Fall River to Providence, 1835 

  Stevens, James. (1835)
• Letter to R.F. Barnard, President of the Berkshire Railroad, estimating the cost of a proposed branch, 1845, 1845 

  Mason, R. B. (1845)
• Statement of the principal characteristics of the Worcester and Shrewsbury Railroad in Worcester, Massachusetts, 1874 

  Buttrick, A. C. (1847)
• Letter to the directors of the Charlestown Branch Railroad, 1836 

  Baldwin, James Fowle, 1782-1862. (1836)

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