The following mines mine 'Trona':
Note: This information is a work in progress. If you're an expert on mines, why not share some of your knowledge with others? Simply find a mine in the Bonzle Digital Atlas and use the '>>>Contribute' link to tell us what commodity was or is being mined at that mine.
Do you have photos gathering cyber dust on your hard drive? Why not upload them into Bonzle and share your information with other Bonzle users. Click here to view recently uploaded photos from other users. Here are some examples: