Elizabeth Cason from Owensboro, Andrew Gibbs from Bowling Green and Taylor Fry from Cynthiana learn how to navigate around campus using the Trimble device. David Siskin a mapping and GIS specialist from Louisville teach the WKU students how to use the device. Students navigate around campus using clues and the device to find the exact location. After finding the location they receive a raffle ticket in hope to win a prize. GIS Science Club hosts Geo Cache in the EST building on Tuesday April 21, 2015. ASHLEY COOPER/HERALD