The roof of the Eugene Young Environmental Center will be rather special, a "green roof." To get plants to grow up there, we have to have a layer of soil. To have a layer of soil and the water it will hold, we have to have an extra heavy layer of waterproofing underneath. That's what these two men are working on. The cloud of white dust is lingering after some materials were cut.
Photo: Arnold Clayton Henderson 9/7/2006
