Idutywa_3238AB
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Date
1959
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
University of Fort Hare
Abstract
Air photography 1943. Field survey in 1950 and drawn by the Trigonometrical Survey Office in 1954. Mean declination at the centre of the sheet is 21.1 degrees West of True North (1968.0). Mean annual change is 5 degrees westwards. Printed and published in the Republic of South Africa by the Government Printer.