Linking pages
- The mysterious Hiawatha crater in Greenland is 58 million years old https://www.sciencenews.org/article/hiawatha-crater-greenland-age-younger-dryas 26 comments
- Massive asteroid hit Greenland when it was a lush rainforest, under-ice crater shows | Live Science https://www.livescience.com/greenland-hiawatha-crater-age 0 comments