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International EarthCache Day

Each year, The Geological Society of America celebrates International EarthCache Day on the first Sunday of Earth Science Week and the last Sunday of World Space Week.

In 2016 that day is Sunday 9 October.

International EarthCache day items include a patch, trackable tag and Geocoin!  A portion of the sales of every EarthCache Day item will go to support the work of the GSA.  

For more information about International EarthCache Day, please click here. 

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