Michael Ferraro

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Surface mining, though an efficient method of extracting near-surface coal for the nation's mounting energy needs, requires sound reclamation if the harmful environmental impacts of the method are to be held to a tolerable minimum. Another important requirement is aesthetic quality, a feature which should, but as yet does not, involve professional planners(More)
This paper reports field results of E-PERMS in both (lie S-Chamber and their keeper caps. Hie results have been compiled during the past two years covering over 5,000 measurements. Data has been grouped to show precision (co-located tests), accuracy (radon chamber results), and electret stability. The latter results were also broken down into S-Chamber(More)
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