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  1. 1
    Methods to identify changes in background water-quality conditions using dissolved-solids concentrations and loads as indicators, Arkansas River and Fountain Creek, in the vicinity of Pueblo, Colorado
    by Ortiz, Roderick F.
    Published 2004
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    Government Document Book
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  2. 2
    Biomonitors and biomarkers as indicators of environmental change 2 : a handbook
    Published 2001
    Conference Proceeding Book
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  3. 3
    Bacterial indicators of pollution
    Published 1982
    Conference Proceeding Book
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  4. 4
    Environmental biomonitoring : exposure assessment and specimen banking
    Published 1997
    Conference Proceeding Book
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  5. 5
    Optical methods in cell physiology
    Published 1986
    Book
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  6. 6
    Aquatic stressors : framework and implementation plan for effects research.
    Published 2002
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    Government Document Microfilm Book
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  7. 7
    Biomonitoring of trace aquatic contaminants
    by Phillips, David J. H.
    Published 1993
    Book
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  8. 8
    Biological indicators in environmental protection
    Published 1992
    Book
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  9. 9
    An inventory of aquatic macroinvertebrates and calculation of selected biotic indices for the U.S. Army Atterbury Reserve Forces Training Area near Edinburgh, Indiana, September 2000-August 2002
    by Robinson, Bret A.
    Published 2004
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  10. 10
    Environmental indicators better coordination is needed to develop environmental indicator sets that inform decisions : report to congressional requesters
    Published 2004
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    Government Document Microfilm Book
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  11. 11
    Environmental information status of federal data programs that support ecological indicators : report to congressional requesters
    Published 2005
    Microfilm Book
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  12. 12
    Winged sentinels : birds and climate change
    by Wormworth, Janice
    Published 2011
    Book
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  13. 13
    First Annual Symposium on Environmental Epidemiology
    Published 1981
    Government Document Book
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  14. 14
    Coastal wetlands indicator study : EMAP-estuaries Louisianian Province - 1991
    Government Document Microfilm Book
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  15. 15
    Mammals and birds as bioindicators of trace element contaminations in terrestrial environments : an ecotoxicological assessment of the northern hemisphere
    Published 2019
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    Electronic eBook
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  16. 16
    Tracking the vanishing frogs : an ecological mystery
    by Phillips, Kathryn, 1956-
    Published 1994
    Book
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  17. 17
    Biomonitors and biomarkers as indicators of environmental change : a handbook
    Published 1995
    Conference Proceeding Book
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  18. 18
    Biological populations as indicators of environmental change.
    Published 1992
    Government Document Book
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  19. 19
    Birds as monitors of environmental change
    Published 1994
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  20. 20
    A review of single species toxicity tests : are the tests reliable predictors of aquatic ecosystem community responses?
    by De Vlaming, Victor
    Published 1999
    Government Document Microfilm Book
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