mature form, gold was discovered thirty miles south of Pretoria, the capital
of the South African Republic. The deposits were uniquely rich. Outcrops
of reefs containing gold stretched forty miles east and west along the
Witwatersrand, the watershed between the Limpopo and the Orange river
systems. The reefs dipped below the surface to the south, and their gold
content was regular and reliable, though low grade in comparison with the
Australian and Canadian goldfields.l '
119