1To George Washington from B. Francis, 27 October 1792 (Washington Papers)
An inquiry into the mineral productions of this country, appeared to me an object of so much importance, that I was induced to take the liberty of writing to you on the business from Boston, I think in June, and had the honour of receiving your reply in this City. The motives that occasioned my former letter (& the only excuse I can plead for taking this freedom) were similar to what dictate...