Home » Berkeley Pit Timeline 2013 August 3, 2013 A timeline projecting future Berkeley Pit management. Berkeley Pit Timeline 2013 This timeline reflects project changes agreed to in the Consent Decree that governs Berkeley Pit management. The timeline is reviewed and adjusted by the Montana Bureau of Mines & Geology each year. Any future timeline changes will be reported in PitWatch and on the PitWatch website at www.pitwatch.org. Click on the image to view a larger version.