The Bearer of this is Mr. Collen Williamson of New York, from whence he came at the request of the Commissioners. They desird him to take a view of the Acquia quarries.—He appears to be a person of knowledge, and experience. It is probable that some engagement will be made with him. I thought it might not be impropper to afford you an opportunity of having some conversation with him, if your leisure wou’d permit, & am, Dear Sir, with great esteem, & respect, Your Most obt. & very Hble Servt,