Advertorial brochure published by Pretoria Portland Cement, November 1923 Submitted by Konrad Voges

Aerial view of dam wall, from PPC brochure Submitted by Konrad Voges Photographer: Unidentified

Dam filling up, from PPC brochure Submitted by Konrad Voges Photographer: Unidentified

SAPSCO real photo postcard Posted on Artefacts FB page courtesy of Mark Finnigan Photographer: Unidentified

SAPSCO real photo postcard Posted on Artefacts FB page courtesy of Mark Finnigan Photographer: Unidentified

Undated SAPSCO real photo postcard Ref. No. B.550 Posted on artefacts.co.za FB courtesy of Mark Finnigan Photographer: Unidentified