1. Map of Illinois showing the outlines of the coal measures and of the mine inspection districts, the points at which coal is being mined, and the total product, in tons, in each county, during the year 1891 Yale Public content 1891. 2023-03-13T19:50:51Z. 2023-03-17T21:36:25Z. Illinois. Bureau of Labor Statistics, cartographer, publisher. Bureau of Labor Statistics,Rand, McNally & Co., engravers. English. cartographic image. Public. Illinois.