ore deposits 3 [vynechat] rudné ložiská 3 [vynechat] baníctvo 2 [vynechat] dejiny baníctva 2 [vynechat] microscopy 2 [vynechat] mikroskopia 2 [vynechat] mining 2 [vynechat] ore mining 2 [vynechat] ores 2 [vynechat] rudy 2 [vynechat] ťažba rudy 2 [vynechat] economic geology 1 [vynechat] history of mining 1 [vynechat] hockey players 1 [vynechat] hokejisti 1 [vynechat] ice hockey 1 [vynechat] ložisková geológia 1 [vynechat] mineralogy 1 [vynechat] minerals 1 [vynechat] mineralógia 1 [vynechat] minerály 1 [vynechat] montana history 1 [vynechat] nerastné suroviny 1 [vynechat] raw materials 1 [vynechat] ľadový hokej 1 [vynechat]