Judy, There is a Lone Elm in Jasper and Cooper County (MO). http://resources.rootsweb.com/cgi-bin/townco.cgi It is most likely Jasper County that you would be interested in. Cooper County is in the center of the state. Cooper County Missouri, ... Lead mining was carried out here before the war, but no large deposits were found ... http://carljunction.org/history.htm There were mines in Jasper Co.: Keywords: EM, mine tailings, lead, land reclamation, remediation ... of EM application at the abandoned Lead/Zinc Mine in Jasper County, Missouri are: ... http://www.emtrading.com/em/papers/emleadmine.pdf And a Joplin Mine, Jasper Co.: Joplin really got going from the lead mines that supported it, ... Joplin, Missouri was a major town dependent on the lead and zinc mining industry and the ... http://www.cart66pf.org/66caravan/roadlog38.htm There are lead mines in lots of counties besides Washington. This site actually lists St. Francois County Mines: http://www.umsystem.edu/whmc/invent/3771.html Don't know what this is about, but it seems there is a book on the subject: Schoolcraft, Henry Rowe, 1793–1864, American ethnologist, b. near Albany, N.Y. .... As a young man, Schoolcraft abandoned his family's glassmaking business and made a journey down the Ohio River to Missouri. There in 1818–19 he made valuable geographical, geological, and mineralogical surveys. His journal and findings were recorded in A View of the Lead Mines of Missouri. [Henry Rowe Schoolcraft, A View of the Lead Mines of Missouri, (New York: Arno Press reprint of 1819 edition, 1972)] NARA has a map of Missouri Mines: http://www.archives.gov/publications/finding_aids/special_list_29/print_friend ly.html?page=missouri_content.html& title=NARA%20%7C%20Publications%20%7C%20Finding%20Aids%3A%20Special%20List%2029%3A%20Missouri 475. Fiala and Haren's New Sectional Map of the State of Missouri. Published by Gray & Crawford . . . 1861. Lith. by Chas. Robyn & Co. 1 inch to ca. 12 miles. 29.5 x 35. Published. Counties (in color), towns, roads, railroads, townships, U.S. land districts, furnaces, copper and lead mines, mineral deposits, and caves. Also parts of adjoining States. Filed as Ref. Coll.: Missouri, 1861. Best of Luck -Kay, FL