Republic of South Africa2025-09-182025-09-181972http://hdl.handle.net/20.500.11837/3185Air photography 1963 (Job No.220/53). Surveyed in 1971 and drawn in 1971 by the Trigonometrical Survey Office. Mean magnetic declination of 21.0 degrees West of True North (1972.0). Mean annual change is 2 degrees westwards (1966-1970). Printed and published in the Republic of South Africa by the Government Printer.enMap