1. Guidelines and standard procedures for continuous water-quality monitors : site selection, field operation, calibration, record computation, and reporting Author/Creator: Wagner, Richard J., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2000 Format: Book Access & Availability: Loading
2. Pesticides and volatile organic compounds in surface and ground water of the Palouse subunit, Central Columbia Plateau, Washington and Idaho, 1993-95 Author/Creator: Wagner, Richard J., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
3. Agricultural pesticide applications and observed concentrations in surface waters from four drainage basins in the central Columbia Plateau, Washington and Idaho, 1993-94 Author/Creator: Wagner, Richard J., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1996 Format: Book Access & Availability: Loading
4. Areal extent of petroleum-related compounds from a gasoline and diesel-fuel leak in ground water at a site in Yakima, Washington, 1984-89 Author/Creator: Wagner, Richard J., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1995 Format: Book Access & Availability: Loading