Mining in Minnesota - Digging into MN Minerals: Minnesota DNRToday, only the Mesabi Range still has iron ore/taconite mining taking place. . When granite or line is mined this way, it is called dimension stone. Look at.linestone minning ore,MINERAL RESOURCES AND MINING | The Handbook of Texas .Jun 15, 2010 . Although antimony ore is not produced in Texas, antimony ores are . Large amounts of the asphaltic line are quarried in Uvalde County.
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