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194 summit range which intervened between the headwaters of the Ohio and Potomac rivers.

Upon his return to Mt. Vernon he prepared an account of his investigations, setting forth his arguments in behalf of this momentous project. This report, together with a transcript of his journal, he forwarded to the governor of Virginia. These words were added to the report: "If you concur with me in the proposition I have suggested, and it is adopted by the legislature, it will signalize your administration as an important era in the history of this country."

A new, yet old, consideration made the building of a highway to the West of utmost moment at this time. Now, as England found, in 1763, the trade of the Central West was slipping away down the Mississippi into the hands of Spaniards, and Washington was anticipating already a matter which was to prove a perplexing problem to the nation before it was solved. It is best treated in one of his letters to David Humphreys, written July 25th, 1785: "I may be singular in my ideas, but they are these: that, to open a door to, and make