
1) Part 2) Rand 3) Reef 4) Region
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https://www.crosswordclues.com/clue/witwatersrand

The Witwatersrand is a 56 km long north facing scarp in the Gauteng Province of South Africa. It consists of a hard, erosion resistant quartzite sedimentary rock, over which several north-flowing rivers form waterfalls, which account for the name `Witwatersrand” meaning the `ridge of white waters” in Afrikaans. This east-west running scarp...
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http://en.wikipedia.org/wiki/Witwatersrand

ridge of gold-bearing rock mostly in Gauteng province, South Africa. Its name means `Ridge of White Waters.` The highland, which forms the watershed ... [9 related articles]
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http://www.britannica.com/eb/a-z/w/46

[
n] - a rocky region in the southern Transvaal in northeastern South Africa
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http://www.webdictionary.co.uk/definition.php?query=Witwatersrand
Rand noun a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese
Found on
https://www.encyclo.co.uk/local/20974

Economic heartland of Gauteng province, South Africa. Its reef, which stretches nearly 100 km/60 mi, produces over half the world's gold. Gold was first found here in 1853. The chief city of the region is Johannesburg. Forming a watershed between the Vaal and the Olifant rivers, the Rand comprises a series of parallel ranges which extend 10...
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https://www.encyclo.co.uk/local/21221
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