Memorial to Ralph Joseph Gray (1923–2009) PAUL C. LYONS 206 Amber Road, Middleboro, Massachusetts 02346, USA AUREAL T. CROSS 529 North Harrison Road, East Lansing, Michigan 48823, USA

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Date: 2010-04-21 16:00:04 Matter Bituminous coal Anthracite Coke Petroleum coke Maceral Coal Chemistry Energy		Memorial to Ralph Joseph Gray (1923–2009) PAUL C. LYONS 206 Amber Road, Middleboro, Massachusetts 02346, USA AUREAL T. CROSS 529 North Harrison Road, East Lansing, Michigan 48823, USA Add to Reading List Source URL: rock.geosociety.org Download Document from Source Website File Size: 178,75 KB Share Document on Facebook

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