Irrigation--South Africa--Northern Cape-Maps, Vaal River (South Africa)--Maps,
Map showing canals and tunnels of the proposed irrigation works for the land bordered by the Vaal and Harts Rivers and the Transvaal Republic on its border, with farms and native locations. Places shown are Barkly, Hebron and Warrenton. Some colour. Scale 1 inch to 600 Cape roods.
A map showing Government lands, farms and irrigable lands along the Orange River from the border with German territory, along the border with Bechuanaland and the Division of Hay above the river, Kenhardt, Prieska and Hope Town below the river, with other rivers. Some colour. Scale 1 2/8 inch to 10 miles.