Republic of South Africa2025-08-152025-08-151965http://hdl.handle.net/20.500.11837/3062Air photography 1958, Surveyed 1947and drawn in 1964 by the Trigonometrical Survey Office. Mean magnetic variation at centre of sheet 21.7 degrees West of True North. Printed and published in the Republic of South Africa by the Government Printer.enMap