Related by context. Frequent words. (Click for all words.) 68 Iron Range 53 Cleveland Cliffs 52 copper nickel 51 ore 50 Upper Peninsula 49 Hibbing 49 iron ore 49 Iron ore 49 coal 47 pig iron 47 ores 47 molybdenum 46 manganese 45 Cliffs Natural Resources 44 NewPage 44 Two Harbors 44 steelmaking 44 Powder River Basin 44 Gov. Tim Pawlenty 44 cobalt 44 Lake Superior 44 smelter 43 Duluth 43 magnetite 43 Wheeling Pitt 43 Oberstar 43 Minnesota 43 mining 43 Teck Cominco 43 Kennecott 42 mines 42 coking coal 42 metallurgical coal 42 sulfide 42 steelworkers 42 Escanaba 42 Rainy River 42 bauxite 42 zinc 42 silica 42 Pawlenty 42 Steel Dynamics 41 nickel 41 mine 41 steel mills 41 Algoma 41 steel mill 41 mills 41 minerals 41 Red Wing 41 mill 41 limestone 41 steel 40 smelting 40 Governor Tim Pawlenty 40 HudBay 40 tungsten 40 Iron Ore 40 tonnage 40 Vale Inco 40 uranium 40 Minnesotans 40 blast furnaces 40 metallurgical 40 metals 40 copper zinc 40 Wisconsin 40 AK Steel 40 Teck 40 nickel copper 40 lignite 40 Thunder Bay 40 potash 40 oil sands 40 Bethlehem Steel 39 tailings 39 Newmont 39 Itasca 39 soda ash 39 Teck Cominco Ltd. 39 Mining 39 North Dakota 39 DNR 39 Mesaba 38 Michigan Upper Peninsula 38 Smurfit Stone 38 Abitibi 38 uranium mines 38 metal 38 Menominee 38 Mine 38 Inco 38 Pilbara 38 Nucor 38 copper 38 ferrochrome 38 mineral 38 vanadium 38 Otter Tail 38 North Slope 38 slag