Note 19 — OREGON EXPEDITION
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Thomas Hutchins (1730-89), born in New Jersey, entered the British army at an early age. He served in the French and Indian War, and later as assistant engineer under Bouquet (1764), for whom he prepared a map. In 1779 he was arrested in London, on a charge of sympathizing with the American cause. Escaping to Paris, he finally joined the continental army at Charleston, South Carolina, and was made geographer general by General Greene. The estimate here referred to is in his Topographical Description of Virginia, Pennsylvania, Maryland, and North Carolina (London, 1778), p. 5.
For Dr. Daniel Drake, see Flint's Letters in our volume ix, p. 121, note 61.
The length of the Ohio from Pittsburg is estimated by the map of the U. S. corps of engineers, published in 1881, as 967 miles.—Ed.