OTHER IMPROVEMENTS. Dol. 4. No. 39. RAILROAD NEWS. THE Scientific American. Massachusetts Railroads. … in the United States. The length of double Poetry. track in Massachusetts is 220 miles. The mean cost per mile of all the finished roads in operation in Massachusetts is $43,781.— THE POOR MAN’S DOLNGS. The cost of the New York and Erie Railway, BY MRS. MARY E. HEWITT. Oh, what were the pride of…
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