Protecting Visibility in National Parks and Wilderness Areas
National Research Council and Committee on Haze in National Parks and Wilderness Areas. 1993. Protecting Visibility in National Parks and Wilderness Areas. National Academy Press. Washington, DC
The 1993 National Research Council report describing the current understanding of the nature and extent of haze in the United States. The book addresses the scientific and legal framework of efforts to protect and improve visibility, as well as methods for assessing the relative importance of anthropogenic emission sources that contribute to haze in national parks and for considering various alternative source control measures.