Dennis Smith rocks back on his work boots to take in the view of the Columbia River. The wide breadth, only a few miles from the Pacific Ocean, is dotted with timber-covered islands and glows from the bright but cloud-covered day. Eight or 10 lengths of polyethylene pipe stretch to the end of a 500-foot docking pier, and a lone fusion operator who doesn’t look old enough to shave, looks up from his work. “Nice …