Geography of Illinois before the dinosaurs. Galena, a lead ore, has been mined in the northwest corner of the state. The ore was processed around Peru, Illinois, where river transport was available to bring the ore to a source of coal. About six tons of coal are needed for each ton of ore. Fluorite, calcium fluoride, is the state mineral. It is mined in the southeastern portion of the state, around Metropolis. Fluorine gas is produced from fluorite. This is used in the production of uranium hexafluoride in Metropolis, Illinois for use at the gaseous diffusion plant in Paducah, Kentucky. Geodes can be
The Galena Territory, Illinois Elementary School, Scaled Mound Junior High School, and Scales Mound High School. The Galena Territory, Illinois The Galena Territory is a census-designated place in Jo Daviess County, Illinois, United States. Its population was 1,058 as of the 2010 census. The community consists of a private development located several miles southeast of downtown Galena. The Territory, which is managed by a homeowners association, has set aside of protected recreational land. The remainder is filled with low-density residential development and Eagle Ridge Resort & Spa. As of August 2017, there were 4,082 property owners, 554 permanent residences, and 1,675 vacation residences. The