Lehlonolo_3028BB
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Date
1972
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
University of Fort Hare
Abstract
Air photography 1963 (Job No.220/53). Surveyed in 1971 and drawn in 1971 by the Trigonometrical Survey Office. Mean magnetic declination of 21.0 degrees West of True North (1972.0). Mean annual change is 2 degrees westwards (1966-1970). Printed and published in the Republic of South Africa by the Government Printer.