On the 12th the party left Bangor for Houlton, where it arrived on the
evening of the 13th. A depot of provisions was established here for
supplying the line of their future operations, and the services of the
requisite number of men as axmen, chain bearers, instrument carriers,
etc., were engaged.
Pending these preparations and the time necessarily occupied in cutting
a roadway through the forest from a convenient point on the Calais road
to the monument at the source of the river St. Croix, a series of
astronomical observations was made, both by day and by night, by which
the latitude and longitude of Houlton were satisfactorily determined and
the rates of the chronometers further tested.
By the 24th of September the roadway was sufficiently opened to permit
a camp to be established upon the experimental line traced by the United
States and British surveyors in the year 1817, when an attempt was made
to mark this portion of the boundary between the two countries agreeably
to the provisions of the treaty of Ghent of 1815.
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