PITWATCH NEWS ARCHIVE

Spring 2008
(Note: This issue contains similar comprehensive content to the 2009 edition; the 2009 edition includes more recent updates and water level data.)

• 25 years since pumps stopped
• A bird's eye view of the Berkeley Pit
• What is an 'Operable Unit'?
• Pit Facts at a Glance
• 1955: The year it all began
• A Timeline of Berkeley Pit History
• What's in the Berkeley Pit water?
• And where does all this water come from?
• A tale of two aquifers...
• Then there's the West Camp story
• A Timeline of the West Camp
• Pit water treatment plant ready
• Water treatment technology subject to thorough study
• Mining the water for copper
• Bird mitigation efforts ongoing
• Above the Pit: The Yankee Doodle Tailings Pond
• Viewing stand improvements taking shape
• What if an earthquake were to strike?
• Research continues on Pit water
• Catching up with past Science Fair winners
• Many are learning from the Berkeley Pit
• Could the Pit ever overflow? and other Frequently Asked Questions

Fall 2006

• Bioprospecting in the Berkeley Pit
• Can Algae Clean the Berkeley Pit?

Spring 2006

• Meet the 2006 Science Fair Award Winners
• Water chemistry varies with depth

Fall 2005

• Will the Berkeley Pit Overflow?
• Improvements planned soon at Berkeley Pit Viewing Stand
• Earthquakes did not affect Pit

Spring 2005

• Can the Pit Withstand an Earthquake?
• Meet the 2005 Science Fair Award Winners

Fall 2004

• Berkeley Pit Myth Versus Fact
• Migratory Bird Protection Plan Working

Spring 2004

• Berkeley Pit Myth Versus Fact
• Is Montana Resources Mining the Berkeley Pit?
• Meet Our 2004 Science Fair Winners

Fall 2003

• Changes in Store for the Berkeley Pit Viewing Stand
• Mine Resumption Affects Treatment Plant Operations

Spring 2003

• Priority Soils: The Other Superfund Cleanup Project in the Butte Area
• Meet Our Science Fair Winners

Fall 2002

• New Exhibit In the Works at the Berkeley Pit Viewing Stand
• Mine Flooding Consent Decree Signed by Federal Judge
• Butte Students Explore Pit Clean Up, Win National Awards

Spring 2002

• Meet our Science Fair Winners
• Consent Decree Announced
• Horseshoe Bend Plant Construction Plans Announced

Fall 2001

• Tailings Covered to Prevent Blowing Dust
• Horseshoe Bend Water Treatment Update

April 2001

• Update On Plans To Treat Horseshoe Bend Water
• Meet Our 2001 Science Fair Winners

October 2000

• Mine Suspension Changes Treatment Plans
• Berkeley Pit is the "Olympics" of Testing Treatment Technology

April 2000

• Meet Our Science Fair Winners
• Update on Montana Resources' Copper Recovery Effort
• Ongoing Research Projects at the Pit
• Waterfowl Mitigation Plan

October 1999

• Pit Facts At a Glance
• Pit Facts Comparison

April 1999

• Monitoring Well Update
• Age-old Technology Yields Copper from Berkeley Pit Water
• Mine-water Mining Part of Butte History
• Chemistry Corner

October 1998

• Bureau of Mines Publishes 15-Year Report on Mine Flooding
• Learning about The West Camp
• High Water History

April 1998

• Active Mining in Butte and The Berkeley Pit

October 1997

• Meet Our Science Fair Winners
• Horseshoe Bend Contingency Plan Taking Shape
• A Tale of Two Aquifers

April 1997

• Bird Protection Plan Working

Back to News & Notes