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Medford Historical Society Papers, Volume 12., A pioneer railroad and how it was built. (search)
nse for repairs, but dividends were being paid. The Middlesex Canal had been in operation for thirty years when the railroad was chartered. The canal connected the tidewaters of Boston Harbor at Charlestown with the slow moving current of Concord river at North Billerica by an ascent of one hundred and four feet, then descending twenty-six feet, it connected with the Merrimack, and was twenty-seven miles in length. As three and one-half miles per hour was the fastest time made by the pad as it were—in the new, wider and smaller arched structure of modern reinforced concrete over which the heavy traffic of today rolls along; and is there to stay. A similar treatment of concrete has been applied to the six arch bridge across Concord river. Soon after the railroad was built, some one evidently impressed with the importance of the locality and the engineering feats there accomplished, painted a picture and labelled it as well (and it was well that it was labelled) Junction of