Republic of South Africa2025-09-172025-09-171973http://hdl.handle.net/20.500.11837/3161Air photography 1966 (Job No. 566/66). Surveyed in 1971 and drawn in 1973 by the Trigonometrical Survey Office. Mean magnetic declination of sheet 21.2 degrees West of True North (1972.0). Mean annual change 2 degrees westwards (1966-1970). Printed and published in the Republic of South Africa by the Government Printer.enMap