- The limestone beds of the Cango Group are, through movement in the Earth s crust, no longer in a horizontal plane. The layers of strata are also displaced laterally, forming dykes.www.places.co.za/html/cango.html
- WildNet Africa - Africa's Wildest Web. Wildlife travel destinations, safaris, hotels, accommodation, tours, animals, game reserves, parks, lodges, African art, books, videos, news and events in and from Africa, Afrika, Kruger National Park, animals, ecology, environmental education, Big Five, conservation.www.sudwala.co.za