Not drawn to scale. [Publisher not identified].
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Map of the asbestos mining district of Hay in the Northern Cape showing the Dwyka series, Matsap beds, Ongeluk volcanic rocks, the Griquatown beds,... [Publisher not identified].
Shows coast from St Helena Bay to Mossel Bay and corresponding area inland. Relief shown pictorially. Prime meridian: Island de Fer Coordinates app... [Publisher not identified].
"Traced by George Simmons ... 25/4/62.". [Publisher not identified].
"No. 808" at bottom right. [Publisher not identified].
Relief shown by contours and shading. [Publisher not identified].
Manuscript plan showing the proposed battery for Algoa Bay. Coordinates approximate and based on Greenwich meridian. Bar scale on map given in "Fee... [Publisher not identified].
Note on attached card cover: "No. 16. Barrydale". [Publisher not identified].