news graphics
Where frac sand mining has taken off
- Graphic by: Mark Boswell , Star Tribune
- Updated: September 29, 2012 - 11:39 AM
Southern Minnesota and western Wisconsin have huge deposits of sand that is perfect for hydro-fracking, a fast-growing mining technique used by the nation's oil and natural gas industry. Dozens of frac sand mines and processing facilities have opened in Wisconsin. In Minnesota, a few mines have opened and many more are proposed.
- 0
- comments
resize text 
- buy reprints
inside the StarTribune
-
425 Portland Av. S.
Minneapolis, MN 55488
(612) 673-4000
- Company
- Subscriber Services
- Website
- Buy Ads
- Store
- Connect with Us
© 2013 StarTribune. All rights reserved.
StarTribune.com is powered by Limelight Networks
Newspaper Subscriptions
eEdition
RSS
Newsletters