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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.
The EarthCache patch is 2.5 inches x 3 inches and can be used as an iron on or you can sew on to your favourite gear.
This patch is great for showing off at EarthCache events, as SWAG for event hosts, or as a premium trade item!
For more information about International EarthCache Day, please click here.