November 15, 1864, the first US mining school opens in the basement of Columbia University, NY
https://eee.columbia.edu/history-0 pic.twitter.com/pfZUE4QWoL
![](http://web.archive.org./web/20220120170415im_/https://pbs.twimg.com/media/FEOks2NXoAAk9Fd.jpg)
2:23 AM - 15 Nov 2021
0 replies
2 retweets
23 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.