Republic of South Africa2025-09-182025-09-181965http://hdl.handle.net/20.500.11837/3186Air photography 1953. Surveyed and drawn in 1964 by the Trigonometrical Survey Office. Mean magnetic declination of sheet 20.9 degrees West of True North (1964.0). Mean annual change is 3 degrees westwards (1965). Printed and published in the Republic of South Africa by the Government Printer.enMap