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Subject: Water -- Pollution
Subject
Benthic macroinvertebrates
2
Freshwater ecology
2
Water quality
2
Acid mine drainage
1
Aquatic biology
1
Canoe Creek (Clarion County, Pa.)
1
Limnology
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Study of the dilution effect of a small tributary on the macroinvertebrate community of an acid mine stream
Macroinvertebrate populations with varying levels of acid mine pollution in Canoe Creek, Clarion County, Pennsylvania
Effects of a hydrogen sulfide effluent on the macroinvertebrate life in a single riffle of the North Fork
Biological, chemical and physical properties of Town Run, Clarion County, Pennsylvania ; a stream influenced by bituminous strip mine drainage
Mine drainage pollution abatement demonstration project state game lands no. 72 Clarion County, Pennsylvania
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