1. Shallow ground-water quality beneath row crops and orchards in the Columbia Basin Irrigation Project area, Washington Author/Creator: Jones, Joseph L., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
2. Summary of nitrate concentrations in ground water of Adams, Franklin, and Grant Counties, Washington, fall 1998 : a baseline for future trend analysis Author/Creator: Ryker, Sarah J., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading