King_Williams _Town_3227CD
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Date
1972
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
University of Fort Hare
Abstract
Air photography 1964 (Job No.494/64). Surveyed in 1971 and drawn in 1972 by the Trigonometrical Survey Office. Mean magnetic declination of sheet 23.3 degrees West of True North (1972.0). Mean annual change is 4 degrees westwards (1966-1970). Printed and published in the Republic of South Africa by the Government Printer.