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The total original coal resource in the Gillette coalfield for all eleven coal beds assessed, and no restrictions applied, was calculated to be billion short tons.

International Journal of Coal Geology

Available coal resources, which are part of the original coal resource that is accessible for potential mine development after subtracting all restrictions, are about billion short tons 81 percent of the original coal resource. Recoverable coal, which is the portion of available coal remaining after subtracting mining and processing losses, was determined for a stripping ratio of or less.

After mining and processing losses were subtracted, a total of 77 billion short tons of coal were calculated 48 percent of the original coal resource. Coal reserves are the portion of the recoverable coal that can be mined, processed, and marketed at a profit at the time of the economic evaluation.

The Geology of Coal

With a discounted cash flow at 8 percent rate of return, the coal reserves estimate for the Gillette coalfield is This information provides tools to help make PDF files accessible. These tools and the accessible reader may be obtained free from Adobe at Adobe Access.

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Luppens, J. Geological Survey Open-File Report , p. Department of the Interior U. The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'.


SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.

Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

Geology and combustion perspectives of Pakistani coals from Salt Range and Trans Indus Range

Evolution of the number of total citation per document and external citation per document i. International Collaboration accounts for the articles that have been produced by researchers from several countries.

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The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address. Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research research articles, conference papers and reviews in three year windows vs. Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs.