The Campbell Crotser Fluorspar Project covers approximately 250 acres in Livingston County, Kentucky, within the heart of the historic Illinois–Kentucky Fluorspar District, a region long recognized as North America's most prolific fluorspar producing belt. This mineral belt spans approximately 540 square miles across western Kentucky and southern Illinois1. Commercial mining began in the 1870s, and the region went on to produce approximately 3.5 million tons of fluorspar, along with byproducts zinc, lead, a ...