Winner, ISHS Best of Illinois History Award, 2019 This first-ever pictorial record of the people and methods of the Illinois-Kentucky Fluorspar District from the 1900s to the 1990s covers early and modern means of extracting, hoisting, processing, and transporting the mineral from mine mouth to end user. Nearly one hundred images carefully selected by author Herbert K. Russell show early pick-and-shovel extraction and open-flame lighting as...