%0 Book %D 2008 %T The National Geochemical Survey –- Database and Documentation, Version 5 %E Grossman, J.N. %E Grosz, A.E. %E Schweitzer, P.N. %E Schruben, P.G. %C Reston, VA %I U.S. Geological Survey %P 45 %S Open-File Report 2004-1001