Henning_3126AC
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Date
1974
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
University of Fort Hare
Abstract
Air photography 1959 and 1967 (Job No.453/59 and 597/67). Surveyed in 1972 and drawn in 1973 by the Director General of Surveys. Mean magnetic declination of sheet 22.0 degrees West of True North (1974.0). Mean annual change is 1-degree westwards (1966-1971). Printed and published in the Republic of South Africa by the Government Printer.