LimestoneTennessee's offical rock was selected on February 28, 1979. A group
of sixth grade students, who had been studying state symbols in their history
class, lobbied for limestone to become the state rock. Limestone was chosen
because it is a valuable building material and is found almost everywhere
in Tennessee. We are surrounded by it: we drive on it, we use many products
made with limestone, and we eat food which limestone helps to grow.
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