Republic of South Africa2025-09-182025-09-181975http://hdl.handle.net/20.500.11837/3169Air photography 1966 (Job No. 570/66). Surveyed in 1973 and drawn in 1975 by the Director General of Surveys. Mean magnetic declination of sheet 22.5 degrees West of True North (1974.0). Mean annual change is 2 degrees westwards (1970-1975). Printed and published in the Republic of South Africa by the Government Printer.en