This map shows the aggregate poplulation, with dots representing 1000 inhabitants, of the counties of Missouri according to the census of 1860., From Bird's-eye Views of Slavery in Missouri / by E. Leigh, M.D. St. Louis: Woods et al, 1862.
Gives counties, U.S. land districts, roads, and mines. "Entered according to an act of Congress in the year of 1860, by Gray & Crawford... of the Southern District, of Mo."
This map by Leigh shows visually that Missouri was not split over slavery north to south or east to west, from 1820 and before, slavery followed the Missouri River valley and rich agricultural and industrial heartland of the state out of St. Louis, straight to Kansas City., From Bird's-eye Views of Slavery in Missouri / by E. Leigh, M.D. St. Louis: Woods et al, 1862.
"See Jos. S. Wilson's report of March 1866 in regard to the Missouri titles printed with documents accompanying Commissioner's Annual Report." This map of the state of Missouri shows counties, cities, rivers, copper and iron mines, seat of land offices, and county seats. It also shows land grant railroads with the 6 and 15 mile limits of their grants. "Note: Iron Mountain (Iron Co.) is composed exclusively of Iron ore in its purest form. The height of this mountain is 228 feet, and its base covers an area of 500 acres, which is calculated to give 1,655,280,000 cubic feet, or 230,187,375 tons of ore. There are several other Mountains in this region, and it is computed that there is iron ore enough in Missouri to furnish 1,000,000 tons per annum of manufactured iron for the next two hundred years. Sir S. Morton Peto.", Mapping St. Louis Catalog 32b