Wentzel_Dam=The Wentzel (Schweizer) Dam is located in South Africa, close to the city of Schweizer Reneke. The dam stores water from the Harts River, and was completed in 1979. It has reservoir capacity of 5,1 Mm³.<p>The principal crops of the region around Schweizer-Reneke are mainly maize, sorghum, groundnuts and sunflower seeds. In addition, cattle and sheep farming is practiced in the region on a relatively large scale on the grasslands where the soil is unsuitable for cultivation. Schweizer-Reneke is rich in diamond deposits. This led to large scale private diamond mining in the area.</p>