National Geographic : 1942 Dec
Merl La Voy Klip Power Station Near Johannesburg Sits on a Rock in the Center ofaCoal Deposit This half-million-horsepower plant uses coal that comes directly from the mine to the furnaces. Inside the huge towers water from thecondensers of thepowerful steam turbines is cooled. The seam varies from six to 100 feet thick. At its present rate of use, well over2,000,000 tons ayear, itwill last 20years.