1. Questa baseline and pre-mining ground-water-quality investigation. 12, Geochemical and reactive-transport modeling based on tracer injection-synoptic sampling studies for the Red River, New Mexico, 2001-2002 Author/Creator: Ball, J. W. Publication/Creation: Boulder, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005 Resource Type: Book Access & Availability: Loading
2. New cation-exchange method for field speciation of hexavalent chromium Author/Creator: Ball, J. W. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] Resource Type: Book Access & Availability: Loading
3. A new cation-exchange method for accurate field speciation of hexavalent chromium Author/Creator: Ball, J. W. Publication/Creation: Boulder, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading