Evidence for a steepening of geothermal gradients in some deep mines and drill holes

James Alexander Noble

doi:10.2475/ajs.246.7.426

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Noble, J. A. (1948). Evidence for a steepening of geothermal gradients in some deep mines and drill holes. American Journal of Science, 246(7), 426–440. https://doi.org/10.2475/ajs.246.7.426

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Evidence for a Steepening of Geothermal Gradients in Some Deep Mines and Drill Holes