Two Rivers Heritage Museum and Clark County Historical Museum created a historical outdoor timeline exhibit that represents Camas and Washougal history and highlights the artifacts cared for at Two Rivers Heritage Museum. “Pieces of History: An Artifacts Timeline,” is filled with stories and images recounting momentous events in these neighboring communities. The timeline can be viewed from 11 a.m. to 3 p.m. Saturdays at 1 Durgan Street in downtown Washougal. The new exhibit will be dedicated at a ceremony at 5 p.m. May 31.