Its fires are not volcanic, but result from the combustion of coal some distance underground, giving off much smoke and steam; geologists estimate that the burning has been going on for at least 800 years. [Please select]
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Apparently one-eyed geologists were as unsafe as elementary young Britons and opulent senators. [Please select]
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This was not so well understood by early geologists as it is now. [Please select]
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Starting from this landmark, the earlier geologists divided the world's history into three periods. [Please select]
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This long set of periods is known to geologists as the age of reptiles. [Please select]
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Chemists, geologists, mineralogists and old miners, have not done better than ignorant men and new-comers. [Please select]
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After all, you geologists have done much--you have dug here and there, it is true. [Please select]
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