I suggest replacing some ressources with gold especially slaves in Africa and Furs in canada.
There are several deposits in NE Africa, South Africa, SE coast of USA South america, Cuba, E Canada and the great lakes region in Canada. Here's some sources:
http://www.lapinliitto.fi/fem2003/foster.pdf <-- Very detailled study of gold mining in the world
http://www.mbendi.co.za/indy/ming/gold/af/p0005.htm <--- Gold mining fact sheet
There are several deposits in NE Africa, South Africa, SE coast of USA South america, Cuba, E Canada and the great lakes region in Canada. Here's some sources:
http://www.lapinliitto.fi/fem2003/foster.pdf <-- Very detailled study of gold mining in the world
http://www.mbendi.co.za/indy/ming/gold/af/p0005.htm <--- Gold mining fact sheet