Republic of South Africa2025-09-172025-09-171970http://hdl.handle.net/20.500.11837/3157Air photography 1959 (Job No. 443/59). Surveyed in 1968 and drawn in 1969 by the Trigonometrical Survey Office. Mean magnetic declination of sheet 21.2 degrees West of True North (1969.0). Mean annual change 7 degrees Westwards. Printed and published in the Republic of South Africa by the Government Printer.enMap