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•  Argentina (3)
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•  Dominican Republic (1)
•  East Africa (1)
•  France (43)
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•  Great Britain (7)
•  Guiana (17)
•  Guinea (8)
•  Honduras (2)
•  India (4)
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•  Italy (8)
•  Ivory Coast (12)
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•  Mexico (23)
•  Morocco (1)
•  Mozambique (3)
•  New-Zealand (2)
•  Nigeria (3)
•  Panama (3)
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•  South Africa (64)
•  Spain (5)
•  Switzerland (2)
•  The Netherlands (1)
•  Uruguay (6)
•  USA (58)
•  Venezuela (23)
•  Yugoslavia (2)

Theme

•  Mines : gold (1)
•  Mines and quarries (3)