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World Coal Quality Inventory (WoCQI)

http://energy.er.usgs.gov/coal_quality/wocqi/index.html

Homepage of the World Coal Quality Inventory (WoCQI) with sample collection procedures.

by Eastern Energy Resources Science Center
Related topics:
Coal resources, Economic geology, Field sampling, Mining and quarrying, Natural resource assessment, Natural resource exploration

Metadata as [FGDC] - [XML] - [ISO]

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