Republic of South Africa2025-09-172025-09-171968http://hdl.handle.net/20.500.11837/3165Air photography 1955. Surveyed in 1967 and drawn in 1968 by the Trigonometrical Survey Office. Mean magnetic declination of sheet 20.9 degrees West of True North (1968.0). Mean annual change is 4 degrees westwards (1961-1966). Printed and published in the Republic of South Africa by the Government Printer.enMap