Kalkaska, Michigan, a village in Kalkaska Township and county seat of Kalkaska County
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Kalkaska sand, the state soil of Michigan, named after the county
A map of Kalkaska is featured on the cover of Problem Solving with C++ by Walter Savitch, the Seventh Edition (Pearson International Edition).
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Emil Frisk (1874-1922), professional baseball player for the Cincinnati Reds, Detroit Tigers, and the St. Louis Browns from 1899 to 1907.