Chapter A7 Biological Indicators in National Field Manual for the Collection of Water-Quality Data. U.S. Geological Survey Techniques of Water-Resources Investigations, book 9, chap. 7, https://doi.org/10.3133/twri09A7. (Q66150)

From geokb
USGS Numbered Series published by U.S. Geological Survey in 2008
  • twri09A7
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English
Chapter A7 Biological Indicators in National Field Manual for the Collection of Water-Quality Data. U.S. Geological Survey Techniques of Water-Resources Investigations, book 9, chap. 7, https://doi.org/10.3133/twri09A7.
USGS Numbered Series published by U.S. Geological Survey in 2008
  • twri09A7

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