Search Results for the EPA National Library Catalog

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Select Item	Title	Year Published
1	Status and temporal trends in benthic macroinvertebrate communities as an indicator of water quality at Maryland's core monitoring stations, 1976-1992 /	1996
2	Stautus and temporal trends in benthic macroinvertebrate communities as an indicator of water quality at Maryland's core monitoring stations, 1976-1992.	1996

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