Silver EarthCache Master Visit and log six (6) or more EarthCaches in three (3) or more states/provinces/countries and have developed one (1) or more EarthCaches. besøg denne side https://www.geosociety.org/GSA/fieldexp/EarthCache/awards/masters.aspx

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 This fossil tag has a unique code and is trackable at Geocaching.com. A chain is included for hitchhiking

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 This fossil tag has a unique code and is trackable at Geocaching.com. A chain is included for hitchhiking

50 earth discovery rewards.