View looking northeast of Building 779 before demolition begins (10/99) Building 779 demolition progress (10/99) Former Building 779 during the final phase of demolition (1/00) Progress on the construction of the treatment cell at the Solar Pond Plume site (7/99) Construction progress showing the last panel being installed at the Solar Pond Plume site (9/99) Overall view showing final phase construction progress at the Solar Pond Plume site (10/99) Demolition activity of Building 729 (6/99) Building 729 Pad after demolition of the building looking east (6/99) Sec. of Energy Richardson and Governor Owens commemorating the "Rock Creek Reserve" Installation of the collection sump at the East Trench Project, a collection and treatment system, which will be installed in the 1200 foot long trench (3/99) Panel installation at the East Trench Project (4/99) Reactor vessels being filled with iron for groundwater treatment at the East Trench Project (4/99) Environmental cleanup activities and close-up view taken inside the weather shelter tent of Trench T-1 (7/98) Removing drums from Trench T-1 during cleanup (7/98) Containment shelter over Trench 1 removed and project completed (4/99) Subsurface investigation of Pad 903 Mound Site - thermal Desorption of soil project Construction progress of the Mound Site Project showing collection units installed for the Groundwater Remediation System (July 1999) Aerial view of Rocky Flats looking northwest Solar Ponds Debris Removal Project, A/B Ponds Corridor, Before (November 1997) Solar Ponds Debris Removal Project, A/B Ponds Corridor, After (February 1998)