Discussion of " Early Surveys and Reports In Reference To the Transmission of Trade Across the Allegheny Mountains In the State of Pennsylvania Known As the Allegheny Portage by Moncure Robinson"

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by Q. A. Gillmore,

Serial Information: Transactions of the American Society of Civil Engineers, 1886, Vol. XV, Issue 1, Pg. 266-268

Document Type: Discussion & Closure

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