The KHES was constructed from the late 1940s to the early 1960s. Jack Watson worked on the Kiewa Hydro Electric Scheme for 39 years. The photos show a group of men (workers) at the entrance of a tunnel.1. Jack Watson is the worker on the back right hand side with a soft Akubra type hat. 2. Jack Watson at the front on the right hand side. 3. Men not identified. When Jack retired he had been the supervisor of the patrolmen during the last 8 years.Three black and white photos of a group of men in work clothe at the entrance to a tunnel on the Kiewa Hydro Electric Scheme.jack Watson has been identified in two of the photos.jack watson, tunnel workers khes