1. Annual report, state/EPA agreements Author/Creator: United States. Environmental Protection Agency Publication/Creation: [Washington] : The Agency, 1980 Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
2. The economics of clean water-1973 Author/Creator: United States. Environmental Protection Agency Publication/Creation: Washington, DC : U.S. Environmental Protection Agency, 1973 Resource Type: Book Access & Availability: Loading
3. The cost of clean air Author/Creator: United States. Environmental Protection Agency Publication/Creation: Washington : Environmental Protection Agency Resource Type: Journal, Newspaper or Serial Access & Availability: Loading