General Contents – Central Mo. Lead Region [also iron mines]: Stratigraphy – 1st Magnesian Limestone, 2nd Magnesian Limestone, 2nd Sandstone, 3rd Magnesian Limestone, 3rd Sandstone, 4th Magnesian Limestone, Chouteau Limestone, Coal Measures, Encrinital Limestone, Ferruginous Sandstone, Saccharoidal Sandstone; others: Minerals – barite, calcite, dolomite, galena, hematite, hemimorphite, iron carbonate, lead, limonite, malachite, pyrite, sphalerite, stalactitic limonite: Lithologies – chert, clay, coal, conglomerate, dolomite, limestone, ochre, sandstone, shale, "slate" (hard, often bituminous shale): Mines/quarries – iron banks, iron mines, iron shafts, lead/barite/zinc diggings, lead furnaces, lead/barite/zinc mines, lead/barite/zinc [...]
