FrontMatter -- Preface -- Contents -- Executive Summary -- 1 Introduction -- 2 Gaging the Nation's Streams -- 3 Selection of NSIP Base Gage Locations -- 4 Streamflow Network Design -- 5 Streamflow Information -- 6 Contributions of NSIP to River Science -- 7 Summary and Conclusions -- References -- Appendix A Biographical Sketches of Members of the Committee on Review of the USGS National Streamflow Information Program.