Republic of South Africa2025-09-182025-09-181969http://hdl.handle.net/20.500.11837/3173Air photography 1959 (Job No.433/59). Surveyed in 1968 and drawn in 1969 by the Trigonometrical Survey Office. Mean magnetic declination of sheet 21.2 degrees West of True North (1968.0). Mean annual change is 7 degrees westwards (1961-1966). Printed and published in the Republic of South Africa by the Government Printer.enMap