Student studying river ecology. A student is examining a sample from the Rouge river. This is part of the annual Rouge Education Project,in which students from several communities monitor biological,chemical and physical characteristics of the river. Photographed in Redford,Michigan,USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / West, Jim |
Bildgröße: | 3466 px × 5125 px |
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Eigentums-Rechte: | nicht erforderlich |
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