Here's a list of towns in the North West Province of South Africa.
Bloemhof (Diamond mining)
Brits (Platinum mining, mixed crop farming land)
Christiana (Diamond mining)
Klerksdorp (Gold mining)
Koster (Diamond mining)
Lichtenburg (Diamond mining)
Marico (large cattle herds)
Orkney (Gold mining)
Rustenburg (Platinum mining, mixed crop farming land)
Vryburg (agricultural goods, large cattle herds)
Zeerust (Fluorspar mining)