Berkeley Pit ID: 1572 | This file appears in: The Berkeley Mine Pit: Butte’s Scenic Toxic Lake The pit continued to expand until its closure in 1982. | Source: Lowe, Jet. Historic American Engineering Record, Library of Congress, https://www.loc.gov/resource/hhh.mt0098.photos/?sp=3&q=butte+mineyards Download Original File SourceLowe, Jet. Historic American Engineering Record, Library of Congress, https://www.loc.gov/resource/hhh.mt0098.photos/?sp=3&q=butte+mineyards "Berkeley Pit" appears in: The Berkeley Mine Pit: Butte’s Scenic Toxic Lake