RC (DLC); subjoined to enclosed prospectus; torn at seal; addressed: “Thomas Jefferson Esq Monticello Va”; franked; postmarked Harrisburg, 30 Jan.; endorsed by TJ as received 6 Feb. 1820 and so recorded in SJL. Enclosures: (1) Melish to James Monroe, 1 Jan. 1820, published as Letter to James Monroe, Esq. President of the United States, on the State of the Country: with a plan for improving the condition of society (Philadelphia, 1820; possibly Poor, Jefferson’s Library description begins Nathaniel P. Poor, Catalogue. President Jefferson’s Library, 1829 description ends , 11 [no. 689]), arguing for increased protection of American industry through a higher tariff on imports, advocating measures to discourage land speculation, and calling for regulations on the circulating medium. (2) Melish, Prospectus of the State Map of Pennsylvania, prepared from the county surveys, and other authentic documents, in pursuance of An Act of the Legislature, specifying that the work will be based on a series of county maps verified against other sources; that it will include Pennsylvania’s county and township lines, principal bodies of water with information on boat and canoe navigation, mountains and valleys, minerals and mineral springs, cities, towns, villages, post offices, roads and distances, principal buildings, bridges, and canals; that it will measure more than six-by-four feet on a scale of five miles to the inch and also include all of Delaware and New Jersey as well as parts of New York, Ohio, Virginia, and Maryland; and that it will cost $12, with a companion statistical or descriptive volume to be available for $3 and include a reduced map showing lands purchased from Native Americans (broadside in DLC: TJ Papers, 216:38674–5; undated; conjoined with covering letter).