Availability of the Colchester coal for mining in northern and western Illinois /
Data(s) |
14/01/2025
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Resumo |
This report is the fourth in a series to assess the availability of coal resources for future mining in Illinois. Includes bibliographical references (p. 17-19). Coal resource classification system. -- Sources of data, limitations and mapping procedures. -- Geology and mining: Colchester coal: floor and roof stratigraphy. -- Coal quality. -- Quadrangle studies. This report is the fourth in a series to assess the availability of coal resources for future mining in Illinois. Mode of access: Internet. |
Formato |
con |
Identificador | |
Idioma(s) |
eng |
Publicador |
Champaign, Ill. : Illinois State Geological Survey, |
Direitos |
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Palavras-Chave | #Coal reserves |
Tipo |
text |