1Thomas Jefferson to Thomas Cooper, 6 August 1810 (Jefferson Papers)
The tardiness of acknoleging the reciept of your favor of May 10. will I fear induce a presumption that I have been negligent of it’s contents: but I assure you I lost not a moment in endeavoring to fulfill your wishes in procuring a good geological correspondent in this state. I could not offer myself; because of all the branches of science it was the one I had the least cultivated. our...