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Search Results for the EPA National Library Catalog
Items Found: 899
Showing: Items 501 - 550
Your Search: (SUBJECT=FRESHWATER)
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Title
Year Published
501
Introduction to freshwater vegetation
1984
502
Inventory of fish species within Dyke Marsh, Potomac River, (2001-2004) : final report /
2004
503
Inventory of selected freshwater-ecology studies from the New England Coastal Basins (Maine, New Hampshire, Massachusetts, Rhode Island), 1937-97
1999
504
Invertebrates in freshwater wetlands of North America : ecology and management /
1999
505
Investigation and monetary values of fish and freshwater mollusk kills /
2018
506
Investigation and monetary values of fish and freshwater mussel kills
2003
507
Investigations of freshwater surface microlayers
1974
508
Investigations of the role of physical-transport processe in determing ichthyoplankton distribution in the Potomac River
1975
509
Isolation of Dissolved Organic Matter from the Suwannee River Using Reverse Osmosis.
1994
510
Jordan River study, Utah, June-August 1972.
1973
511
Journal of freshwater ecology.
1981
512
Journal of the North American Benthological Society.
1986
513
Key to identifying freshwater invertebrates : through observable features.
2003
514
Keys to water quality indicative organisms (southeastern United States) /
1968
515
Keys to water quality indicative organisms of the southeastern United States /
1975
516
Laboratory procedure for estimating residue dynamics of xenobiotic contaminants in a freshwater food chain
1980
517
Laboratory studies of periphyton production and community metabolism in lotic environments /
1964
518
Lake Huron bibliography, with limited summaries /
1981
519
Lake Huron crustacean and rotifer zooplankton, 1980 : factors affecting community structure with an evaluation of water quality status /
1983
520
Lake Michigan studies special report.
0
521
Lake Superior periphyton in relation to water quality /
1972
522
Lake Union sediment investigation : Seattle, Washington, March 20-21, 1984 /
1985
523
Leachate testing and evaluation for freshwater sediments /
1994
524
Letter from Basf Corp to UEPA Re: Report on the Study of Palatinol A (Dep) (Zst Test Substance No. 92/187) in the Ames Test w/Attachments & Cover Letter Dated 05/06/1994 (Sanitized).
1994
525
Letter from BASF Corp to USEPA Regarding Submission of Health and Safety Data Subject to 8D Reporting with Attachments, Dated 05/05/1994 (Sanitized).
1994
526
Letter from Chemical Manufacturers Association to USEPA Regarding Information on the Enclosed Final Reports on 2-mercaptobenzothiazole with Attachments.
2000
527
Life of the pond
1967
528
Limnological methods /
1948
529
Limnological surveillance of the nearshore zone of Lake Erie in central and eastern Ohio : a proposal of research /
1978
530
Limnology now a paradigm of planetary problems /
1994
531
Lipids in freshwater ecosystems /
1999
532
Listing of aquatic biological stream investigations : June, 1968 to January, 1974 /
1974
533
Living waters : guiding the protection of freshwater biodiversity in Massachusetts /
2003
534
Long Term Toxicity Test (3 Months) of DC 345 Fluid with Cover Letter Dated 04/20/1994 (In French).
1994
535
Long Term Toxicity Tests (3 Months) of DC 345 Fluid with Cover Letter Dated 04/20/1994 (In French).
1994
536
Long-term benthic monitoring studies in the freshwater portion of the Potomac River : final report /
1992
537
Long-Term Ecological Measurements : report of a conference, Woods Hole, Massachusetts, March 16-18, 1977 /
1983
538
Lower Potomac River Basin : environmental assessment of stream conditions /
1998
539
Macroinvertebrate survey of the Allegheny River, New York, 1975
1980
540
Macroinvertebrate survey of the Delaware River in New York State
1982
541
Macroinvertebrate survey of the upper Hudson River, New York, 1972 : prepared for and in cooperation with Bureau of Monitoring & Surveillance, Division of Pure Waters, New York State Department of Environmental Conservation /
1974
542
Macrophyte surveys of littoral habitats in Great Lakes' areas of concern : the Bay of Quinte, Hamilton harbour, and Severn Sound, 1988 to 1991 /
1993
543
Man-made lakes : proceedings /
1966
544
Managing lakes and reservoirs /
2001
545
Managing river flows for biodiversity : balancing human demands and ecosystem needs /
2000
546
Marine and freshwater research.
1995
547
Mechanisms of Episodic Acidification in Low-Order Streams in Maine, USA.
1992
548
Mercury Concentrations in Fish in Lake Oahe, South Dakota, April 16 to September 27, 1972.
1973
549
Methods and measurements of periphyton communities : a review /
1979
550
Methods for assessment of fish production in fresh waters
1978
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