1. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey for water-year 1983 Author/Creator: Peart, Dale B., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
2. Quality-assurance data for routine water analysis in the laboratories of the U.S. Geological Survey : 1981 annual report Author/Creator: Peart, Dale B., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1983 Resource Type: Book Access & Availability: Loading