Republic of South Africa2025-09-172025-09-171975http://hdl.handle.net/20.500.11837/3166Air photography 1966. Surveyed in 1972 and drawn in 1973 by the Trigonometrical Survey Office. Mean magnetic declination of sheet 21.8 degrees West of True North (1973.0). Mean annual change is 1 degree eastwards (1966-1970). Printed and published in the Republic of South Africa by the Government Printer.enMap