A treatise of practical surveying, which is demonstrated from its first principles :
wherein every thing that is useful and curious in that art, is fully considered and explained : particularly three new and very concise methods for determining the areas of right-lined figures, arithmetically or by calculation, as well as the geometrical ones heretofore treated of : the whole illustrated by Copper-plates /
by Robert Gibson ; with alterations and amendments adapted to the use of American surveyors.

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