Hinks, Arthur R. (Arthur Robert), 1873-1945 · Cambridge : University press · leaf 56
high plateau, such, for example, as the Trans-vaal. In such a case differences of a hundred feet are asimportant as they are at sea level; yet if a uniform schemewere applied throughout they would be shown by differences ofcolour in the latter case and not in the former. It is not easyto see how to… … With Hill Shading MaUivBciyi
Maps · Surveying
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