Definition of coal seam
: a bed of coal usually thick enough to be profitably mined
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Recent Examples of coal seam from the Web
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After the coal seams were depleted the site was left flattened, carved with dirt roads and stripped of vegetation.
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Recently, there has been a resurgence of severe cases of the disease in Appalachian mines, thought in part to be caused by thinner coal seams and more powerful equipment that kicks up more dust.
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Then, in 1959, miners working coal seams broke through the bed of the Susquehanna river, which flowed into the caverns below like bathwater swirling down a plughole.
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New gas source Geologists had suspected there was methane gas buried in Australia’s vast coal seams.
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Many researchers believe the disease’s new intensity stems in part from the size of the coal seams being mined.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coal seam.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of coal seam
1756
Learn More about coal seam
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See words that rhyme with coal seam Britannica.com: Encyclopedia article about coal seam
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