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ASSESSMENT OF THE COAL RESOURCES OF THE KYRGYZ REPUBLIC:

COAL CHARACTER AND DISTRIBUTION, GEOLOGY, MINING, AND IMPORTANCE TO THE NATION'S FUTURE

USGS Open File Report 97-137A (English)


Figure 22. Calorific value of kyrgyz coals sampled by the USGS in relation to the range and mean of calorific value reported in the literature.
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