Project Timeline
This schedule accurately represents historic dates for project milestones, however future target dates for project completion are subject to change and refinement.
| Activity | Completion Date |
| June 1974 October 1984 |
|
| 1985 | |
| December 1993 | |
(Public Law 104-20) |
July 1995 |
| February 27, 2004 | |
| Sept. 30, 2004 | |
| 2005 | |
| 2007 | |
| 2008 | |
| 2009 - 2010 |

