984 resultados para Indiana. Dept. of Geology and Natural Resources
Resumo:
Description based on: 1990.
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"A collection of writings by high school students whose teachers and schools participated in the Illinois Rivers Project from September 1992-June 1993" -- P. 1.
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"Printed: August 1989."
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A collection of writings by high school students whose teachers and school participated in the Rivers Project.
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A collection of writings by high school students whose teachers and school participated in the Rivers Project.
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Project numbers 10.100 and 83/3003.
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"Project: 89/134."
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Title from caption.
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"November 1991."
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Project no. 84/2002.
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"HWIRC AD87-0-11." "HWRIC 87-009."
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"ILENR/RE-91/10."
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"November, 1986."
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"December, 1992."
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"Contract: IP 7."