Browse Items (1 total) Tags: 2100 Block N. Jasper St. Browse All Browse by Tag Search Items Sort by: Title Creator Date Added Photos of Leader Iron Works Interior, Buildings and Employees. Photograph of Leader Iron Works Interior. "Photo ran Review 11/19/1905. Plant was located in 2100 Block N. Jasper St." Photos of Leader Iron Works Building. Photo of Employees Leader Iron Works. Tags: 11/19/1905, 2100 Block N. Jasper St., Buildings, Business, Decatur IL., employees, exterior, Foundries, interior, Leader Iron Works Featured Item Photograph of NRA Chapter 1938 Photograph of the Decatur NRA Chapter of 1938.