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Where will the info for the board structure come from and is this domestic only or domestic and imported stone?

April 26, 2017domestic imported info stone structure

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Where will the info for the board structure come from and is this domestic only or domestic and imported stone?

1 Answer

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The sales volume figures will come from USGS figures http://minerals.usgs.gov/minerals/pubs/commodity/. Yes, the figures tracking domestic production will be a benchmark, as will import figures from U.S. Customs.