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Canadian exports and imports
Grindstone localities in Canada
20 other sections not shown
Abrasive Industry alumina aluminium artificial abrasives bands beds belt blocks buffing Canada Canadian carbon Carborundum cent Chaleur bay clean coarse coated colour Company concentrates corundum crushed crystals cutting deposits diameter diatomite disks east emery feet thick feldspar fine-grained finished flint Flow-sheet fracture furnace fused alumina garnet garnetiferous Geol glass glue gneiss grade grain grey grinding wheels grindstones grit hard hornblende impurities inches iron island lake lime limestone lumps machine manufacture material mesh metal methods mica miles mill Millstone mineral Mines Branch novaculite obtained occurs Ontario operations output oxide paper pebbles Plate polishing powder produced pulpstones pumice pumicite quarry quartz quartzite Read Company Read Stone Rept river rock rouge sand sandstone schists screen scythestones sharpening stones shore silica silicon carbide soft steel stone suitable surface Surv syenite Table tons township tripoli United vicinity volcanic dust whetstones