Benthic invertebrate assemblages and their relation to physical and chemical characteristics of streams in the Eastern Iowa basins, 1996-98 /
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| Format: | Government Document Book |
| Language: | English |
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Iowa City, Iowa :
U.S. Dept. of the Interior, U.S. Geological Survey ;
2001.
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| Series: | Water-resources investigations report ;
00-4256. |
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