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1Published 2002Conference Proceeding Software
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3Published 2000Government Document Conference Proceeding Software eBook
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5Published 2000Conference Proceeding Software eBook
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6Published 2010Conference Proceeding Software eBook
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7Published 2003Conference Proceeding Software eBook
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8Published 2010Conference Proceeding Software eBook
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9Published 2001“...Pennsylvania Maps, Topographic Computer programs....”
Map Software -
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11Published 2010Conference Proceeding Software eBook
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12Published 2001Table of Contents: “...-191]. Ohio -- [discs 192-196]. Oklahoma -- [discs 197-203]. Oregon-- [discs 204-207]. Pennsylvania...”
Software Map -
13Published 2013Table of Contents: “... Trenton Group of central Pennsylvania / M.A. Gardiner-Kurserk -- Facies of the Trenton Group of New York...”
Software eBook -
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