https://archive.md/kGWtB https://archive.md/kGWtB https://newsroom.carleton.ca/story/crawford-lake-research-anthropocene-era/ https://newsroom.carleton.ca/stor

https://archive.md/kGWtB https://archive.md/kGWtB https://newsroom.carleton.ca/story/crawford-lake-research-anthropocene-era/ https://newsroom.carleton.ca/story/crawford-lake-research-an... Freeze coring is a fairly clever idea IMO.