Found 2 datasets matching "q_".
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The Early Detection Research Network (EDRN) runs a distributed service known as the EDRN Resource Network Exchange (ERNE). ERNE is a virtual specimen bank. It unifies participating sites specimen...
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In 1991, the U.S. Geological Survey (USGS) began a study of more than 50 major river basins across the Nation as part of the National Water-Quality Assessment (NAWQA) project. One of the major...
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