Dududu_3030BA
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Date
1970
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
University of Fort Hare
Abstract
Air 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.