National Geographic : 2005 Oct
After supper Lopinot and Ray settle by a fire to discuss the day's discoveries. Tonight the distant thrum of Stockton Dam is punctuated by the nearer cries of a pileated woodpecker and a screech owl. In the moonlight the eddy is a silvery swirl that reverses the river's flow, but only for a moment. The archae ologists sit in silence, listening to the water and wondering what pieces of the past will be washed away before dawn. 0 WEBSITE EXCLUSIVE Zoom in on artifacts from other ancient American sites in a photo gallery at nationalgeo graphic.com/ngm/0012/feature3.