“The Happy Jack Chalk Mine is one of the most unusual and interesting sites of geological interest on the Great Plains. It is one of only two underground diatomic mines known to have existed in the United States, and the only one that is open to the public”
Click Here for More Information on the Happy Jack Chalk Mine Tour[flexiblemap width=”100%” height=”500px” center=”41.441552,-98.708063″ zoom=”6″ zoomType=”Large” zoomNew=”1″ mapType=”Hybrid”|showMaptype=”1″|overview=”1″ description=”Happy Jack Chalk Mine Associates, S Highway 11, Scotia, NE (308) 245-3276″]
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