Wisconsin Geologic Map in stone 24″x25″ Slabs of: conglomerate, marble, onyx, limestone, quartzite, sodalite, syenite; Minerals: botryoidal hematite, Iron County; banded agate, St. Croix County; chalcopyrite, Flambeau Mine, Ladysmith, Rusk County; Quartz with hematite, Townsend Oconto County; Drusy quartz, Tomah, Monroe County; Dolomite crystals, Calumet County; Galena (state mineral), Mineral Point area, Upper Mississippi Valley District, Iowa County; Calcite, Ives Quarry, Vulcan Materials Co., Racine County; Fossils: Silurian coral, Door county SOLD