BERKELEY PIT NEWS & NOTES

2010 Berkeley Pit Posters
This educational poster series covers Berkeley Pit history and ongoing environmental management at the site. Hard copies of the posters will be available in the Butte area in late 2010. Posters are available free-of-charge for Clark Fork Basin educators and public organizations. To request posters, email info@pitwatch.org, or call (406) 496-4832.

• Butte Mining Through the Years
• Mining the Berkeley Pit
• The Berkeley Pit: The Water Returns
• The Berkeley Pit: Treating the Water

Summer 2010 Update

Includes updated water levels, timeline, and articles on irrigating with treated mine water, the disappearance of the chemocline in the Berkeley Pit water, and geothermal research.

Summer 2009 Comprehensive Edition

• 1955: The year it all began
• Berkeley history timeline
• What is 'Superfund'?
• Pit Facts at a Glance
• 27 years since pumps stopped
• What's in the Berkeley Pit water?
• 40 billion gallons: where does it come from?
• Two aquifers feed into the Pit
• West Camp also part of mine flooding site
• A timeline of the West Camp
• Watching the water... water level updates
• Water treatment plant working as expected
• Treatment technology thoroughly studied
• Montana Resources mines the water
• Seasonal bird mitigation efforts ongoing
• Above the Pit: The Yankee Doodle Tailings Pond
• Many are learning from Berkeley Pit
• Pit viewing stand is newly renovated
• What if an earthquake were to strike?
• Research continues on Pit water
• Catching up with past Science Fair winners
• Could the Pit ever overflow? and other Frequently Asked Questions

Click here for the PITWATCH News Archive (1997-2008)