From John Adams to Benjamin Dewitt, 3 April 1800
Philadelphia Ap. 3d 1800
Sir
I have received & read with great pleasure, your ingenious & instructive memoir on the Onondaga salt springs, & salt manufactories in the western part of the S[t]ate of N York. I thank you for this valuable present which I shall transmit to the American academy of Arts & sciences at Boston
I am Sir with great esteem your very humble sert
MHi: Adams Family Papers, Letterbooks.