20,000 items of trash removed from Yellowstone’s geysers and hot springs – including 280 hats and a slew of Pokemon cardsScienceSep 15 at 9:46 AM – Sep 15 at 3:27 PM3 outletsThe Independent20,000 items of trash removed from Yellowstone’s geysers and hot springs – including 280 hats and a slew of Pokemon cards Sep 15 at 12:13 PMUSA TodayYellowstone National Park's most bizarre lost items… seen Sep 15 at 3:27 PMThe HillWhat was found among 20K pieces of trash pulled from Yellowstone hydrothermal areas Sep 15 at 9:46 AM