Discussion of " The Elevation of the Tracks of the Philadelphia Germantown and Norristown Railroad, Philadelphia, PA by Samuel Tobias Wagner"


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by J. P. Snow,
E. W. Lewis,
Charles Rufus Harte,
George S. Webster,


Serial Information: Transactions of the American Society of Civil Engineers, 1913, Vol. LXXVI, Issue 1, Pg. 1900-1903


Document Type: Discussion & Closure

Subject Headings: Railroad tracks | Pennsylvania | United States | Philadelphia

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