History Introduction
View this PowerPoint presentation to learn about the history of mining in northeastern Minnesota.
![](http://www.weebly.com/weebly/images/file_icons/xls.png)
ima_taconiterocks_history_introduction_powerpoint_nxpowerlite.ppt |
ima_taconiterocks_history_introduction_powerpoint_nxpowerlite.ppt | |
File Size: | 15918 kb |
File Type: | ppt |