Hillcrest_3122DC
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Date
1975
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
University of Fort Hare
Abstract
Air photography 1966 (Job No. 570/66). Surveyed in 1973 and drawn in 1975 by the Director General of Surveys. Mean magnetic declination of sheet 22.5 degrees West of True North (1974.0). Mean annual change is 2 degrees westwards (1970-1975). Printed and published in the Republic of South Africa by the Government Printer.