From Joseph Whipple
[Portsmouth, New Hampshire] February 10, 1790. “I have inclosed herewith returns of the exports from this District.… In these returns will be observed the small proportion of the large quantities of Pot Ashes manufactured in this State that are exported from this District as well as of every other article of our produce.”
LC, RG 36, Collector of Customs at Portsmouth, Letters Sent, 1789–1790, Vol. 1, National Archives.