Thanks to Chris Nicholes for this picture and to Kevin Lawson for the description below: This is before the Concrete lining. Note! the steel arches with peak at the top. Arches are concreted into the base. Timber supports and wedging typical of support for potential rock falls throughout the whole length.

Thanks to Chris Nicholes for this photo and description from 1966: 50 years ago. Blowering dam construction. a Dozer being refuled at the gravel crushing plant.

Thanks to Chris Nicholes for this picture and description: 1966 Blowering Dam construction camp. Blasting happening at Brandy Marys quarry in the background.

Thanks to Chris Nicholes for supplying this picture and description: Blowering Dam site, 1967.Peter Webb operating Cat 631 scraper, photo courtesy Judy Webb