Hundreds of Flights Canceled in Chicago as Winter Storm Stella Hits the Plains, Midwest; Pileup Closes I-43 in Wisconsin.
The typical grain mixture for bourbon, known as the mash bill, is a minimum of 51% corn, with the remainder being rye, wheat, malted barley, or some combination of these. A mash bill that contains wheat instead of rye produces what is known as a wheated bourbon. The grain is ground and mixed with water.
It is made of a blend of different grains, with the bulk of the grain alcohol coming from corn, and grains such as malted barley, rye, or wheat making up the rest. http://www.wisegeek.com/what-is-bourbon....