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Are you feeling the luck of the Irish? Can you find the pot of gold? Join us at Grass River Natural Area on Saturday, March11 at 1 pm to try your luck at geocaching to find your riches. Learn how to orient using a GPS and a map and compass then test your skills in an outdoor scavenger hunt! This is a 1.5 hour program and costs $5 per person. For more information contact [email protected] or call (231) 533-8314 or visit http://www.grassriver.org/classes-and-programs.html.