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Found 8 dataset(s) matching "culms".
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<p>This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets...
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Contains employment and coal production reported by contractors for each quarter in a calendar year, by subunit and mine ID. The subunit code identifies the location or operation of the mine...
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Contains the annual summation of employee hours and coal production reported by contractors where the average quarterly employment is greater than zero with grouping by calendar year, subunit code...
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In addition to their potential for energy generation, coal and coal byproducts may be economically important resources if they are enriched in critical minerals such as rare earth elements or if...
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Contains employment and coal production reported by mine operators for each quarter in a calendar year, by subunit and mine ID. The subunit code identifies the location or operation of the mine...
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Contains the annual summation of employee hours and coal production reported by mine operators where the average quarterly employment is greater than zero with grouping by calendar year, subunit...
