Talk:North Antelope Rochelle Mine

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 * http://www.mining-technology.com/projects/thunder/
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From your friendly hard working bot.— cyberbot II NotifyOnline 12:59, 3 April 2014 (UTC)

✅ This issue has been resolved, and I have therefore removed the tag, if not already done. No further action is necessary.— cyberbot II NotifyOnline 22:33, 9 April 2014 (UTC)

Coal grade
I'm pretty sure there's an order of magnitude error in the coal grade. 3.8 MJ/kg would rank it almost five times less energy dense than some of the worst lignite out there. Sadly the source seems to dead link, so I can't recover the original information. Hobbitschuster (talk) 10:37, 23 June 2022 (UTC)


 * to add: the issue comes from a glitch (or maybe it was deliberate?) in the conversion template which produces different conversion factors for "btu/lb" and "BTU/lb". The current value is more credible. Hobbitschuster (talk) 13:35, 23 June 2022 (UTC)

Largest mine or not?
"The North Antelope Rochelle Mine is the largest coal mine in the world."

"These two operations merged and North Antelope Rochelle ceded the title of largest mine to Black Thunder in 2012."

Should "is" be "was" in the first sentence? If not, how can both statements be true? 71.56.78.233 (talk) 03:12, 27 October 2022 (UTC)