Title: Acid rain
Subtitle: emissions trends and effects in the Eastern United States
Subjects: Acid rain, Environmental aspects of Acid rain, National Acid Precipitation Assessment Program (U.S.), United States, United States. Environmental Protection Agency, Research, Sulfoxides, Nitrates, Environmental aspects of Sulfoxides, Environmental aspects of Nitrates, Acid deposition, Environmental aspects of Acid deposition
Places: United States, East (U.S.)