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Laurie DeWitt/The Gazette
Ti Lor and Tom Vidnovic of Gaithersburg find a "cache," a box of small treasures and trinkets central to the high-tech hobby of Geocaching, which uses Global Positioning Systems and coordinates to guide treasure hunters to hidden boxes. The Maryland Municipal League has created a Geocaching trail, recently joined by Kensington, to promote exploration of the state by the Geocaching community.