21 resultados para Limnology--Lake, Crawford.
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"Grant No. 802647."
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Mode of access: Internet.
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"Contract DACW 49-74-C-0102."
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Includes 87 or more reports on individual lakes in Illinois; some will be updated periodically.
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"IEPA/WPC/84-011." -- Cover.
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Vols. 7, 9 and 15, issued in 1974, prepared for the U. S. Atomic Energy Commission; vols. issued 1975- prepared for the U. S. Energy Research and Development Administration.