|Cement World: Advertisement|
|Photo from Ray's Lasalle County Online Museum|
A 1939 aerial map that I downloaded from the ILHAP site shows the railroads were still important and a close quarry was still available. You can also see that they used three kilns back then.
|ILHAP site: 1939 aerial map|
|Photo from Rays Lasalle County Online Museum|
They finished their expansion in 2006, just in timer for the construction industry to collapse in the 2008 recession. But production of cement was cut in half so that prices went down only 9%. (NewsTrib) Hopefully their improved efficiencies allowed them to weather the recession.