The village of Coal Valley is located in both Rock Island County and Henry
County in the U.S. state of Illinois. The population was 3,743 at the 2010 census,
The Village of Coal Valley is located in Henry and Rock Island Counties, Illinois.
The Village is a residential community and is a suburb of the greater Quad ...
They are the two most important coal-mining counties in Illinois. ... with a large
per cent of the miners from southern and eastern Europe, present strik- ing ...
Exclusive of the Lithuanians and Poles in Spring Valley the miners of Bureau
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