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The Mineral Industry of Minnesota - USGS In 1998, iron ore accounted for more than 85% of the State's nonfuel mineral production value, while construction sand and gravel and crushed stone accounted for about 7% and 5%, respectively. Most nonfuel minerals increased in value in 1998, led by an $40 million increase in the value of iron ore and a $13.5 million rise in crushed stone. WOA! - Sustainability, Resource Depletion WOA! World Population Awareness is a non-profit web publication seeking to inform people about overpopulation, unsustainability, and overconsumption; the ... the of and to a in that is was he for it with as his . Most Common Text: Click on the icon to return to and to enjoy and benefit . the of and to a in that is was he for it with as his on be at by ... The Mineral Industry of Minnesota - USGS In 1998, iron ore accounted for more than 85% of the State's nonfuel mineral production value, while construction sand and gravel and crushed stone accounted for about 7% and 5%, respectively. Most nonfuel minerals increased in value in 1998, led by an $40 million increase in the value of iron ore and a $13.5 million rise in crushed stone.    Read More

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