International Union of Geological Sciences
The International Union of Geological Sciences (IUGS) is an international non-governmental organization devoted to international cooperation in the field of geology. Provided by Wikipedia
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by Bailey, Roy A.
Published 1989
“...International Geological Congress...”Published 1989
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42
Anthracite basins of eastern Pennsylvania : Pottsville to Shamokin, Pennsylvania, July 13-16, 1989 /
by Eggleston, Jane R.
Published 1989
“...International Geological Congress...”Published 1989
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43
by Speed, Robert C.
Published 1989
“...International Geological Congress...”Published 1989
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by Reed, John Calvin, Jr., 1930-
Published 1989
“...International Geological Congress...”Published 1989
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48
by Hatcher, Robert D., 1940-
Published 1989
“...International Geological Congress...”Published 1989
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Conference Proceeding
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49
by Lucchitta, Ivo.
Published 1989
“...International Geological Congress...”Published 1989
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Conference Proceeding
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by Sylvester, Arthur G.
Published 1989
“...International Geological Congress...”Published 1989
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Conference Proceeding
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52
by Abbott, Patrick L.
Published 1989
“...International Geological Congress...”Published 1989
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by Slingerland, Rudy.
Published 1989
“...International Geological Congress...”Published 1989
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Conference Proceeding
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