![Welsh Music Podcast | Podlediad Miwsig Cymreig on Twitter: "In 1970,the Soviet Union scientific drilling project began at the Kola Superdeep Borehole on the Russian border with Norway. It's the deepest borehole Welsh Music Podcast | Podlediad Miwsig Cymreig on Twitter: "In 1970,the Soviet Union scientific drilling project began at the Kola Superdeep Borehole on the Russian border with Norway. It's the deepest borehole](https://pbs.twimg.com/media/EYuhB7CX0AAPxFQ.jpg)
Welsh Music Podcast | Podlediad Miwsig Cymreig on Twitter: "In 1970,the Soviet Union scientific drilling project began at the Kola Superdeep Borehole on the Russian border with Norway. It's the deepest borehole
![4,900+ Borehole Stock Photos, Pictures & Royalty-Free Images - iStock | Kola borehole, Borehole icon, Borehole well 4,900+ Borehole Stock Photos, Pictures & Royalty-Free Images - iStock | Kola borehole, Borehole icon, Borehole well](https://media.istockphoto.com/id/1232283101/photo/building-activity-on-construction-site.jpg?s=612x612&w=0&k=20&c=C67xnCbEU1cd2_atxQ4flwkWBUD1qLJXoPK3QANkQj4=)
4,900+ Borehole Stock Photos, Pictures & Royalty-Free Images - iStock | Kola borehole, Borehole icon, Borehole well
Space_lovers - How deep is 12 kilometres, comparatively? Deeper than the deepest point of the ocean - the Mariana Trench. In fact, this is the deepest hole we've ever dug into our
![World's deepest hole dubbed 'well to HELL' plunges 40,000 feet – and is only covered by 'rusty Soviet metal lid' | The Sun World's deepest hole dubbed 'well to HELL' plunges 40,000 feet – and is only covered by 'rusty Soviet metal lid' | The Sun](https://www.thesun.co.uk/wp-content/uploads/2019/08/ac-map-kola-borehole-v3.jpg)
World's deepest hole dubbed 'well to HELL' plunges 40,000 feet – and is only covered by 'rusty Soviet metal lid' | The Sun
![Russian scientists 'find Noah's floodwater' at bottom of Kola Borehole | Weird | News | Express.co.uk Russian scientists 'find Noah's floodwater' at bottom of Kola Borehole | Weird | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/80/590x/Noah-Great-Flood-Kola-Borehole-733026.jpg)
Russian scientists 'find Noah's floodwater' at bottom of Kola Borehole | Weird | News | Express.co.uk
![Brian Roemmele on Twitter: "This is the cap of the Kola Superdeep Borehole. They reached 40,111 feet of depth in 1989, after nearly two decades of drilling. One of the deepest drill Brian Roemmele on Twitter: "This is the cap of the Kola Superdeep Borehole. They reached 40,111 feet of depth in 1989, after nearly two decades of drilling. One of the deepest drill](https://pbs.twimg.com/media/FEnDcU_VQAYvLHw.jpg:large)
Brian Roemmele on Twitter: "This is the cap of the Kola Superdeep Borehole. They reached 40,111 feet of depth in 1989, after nearly two decades of drilling. One of the deepest drill
![Drilling the Deepest Hole in The World Was Extremely Hard | by Sean Kernan | Lessons from History | Medium Drilling the Deepest Hole in The World Was Extremely Hard | by Sean Kernan | Lessons from History | Medium](https://miro.medium.com/v2/resize:fit:813/1*OUtrd_DzKx7wvhZ3Jl7KhQ.png)