1. Water quality in the Central Columbia plateau, Washington, and Idaho, 1992-95 Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
2. Pesticides in public supply wells of the Central Columbia Plateau Author/Creator: Ryker, Sarah J. Publication/Creation: Tacoma, WA : U.S. Dept. of the Interior, U.S. Geological Survey, [1996] Resource Type: Book Access & Availability: Loading