This catalog is a list of (1) books and maps that were published during 2000 and (2) articles by U.S. Geological Survey personnel in non-U.S. Geological Survey journals and books that came to our attention in 2000; it supplements the permanent catalogs "Publications of the Geological Survey, 1879-1961," "Publications ofthe Geological Survey, 1962-1970," and "Publications of the U.S. Geological Survey, 1971 through 1981."