- Author: National Research Council Washington DC (USA). Committee on Haze in National Parks and Wilderness Areas, DOE/FE, Washington Procurement Operations Office Washington DC (United States)., United States. Department of the Interior., United States. Environmental Protection Agency., United States. Department of Energy. Office of Scientific and Technical Information.
- Language: English
- Year: 1990
- Author: Bureau of Reclamation United States Department of the Interior
- Language: English
- Year: 1983