FrontMatter -- Preface -- Acknowledgments -- Contents -- Summary: A Shared National Resource -- 1 Where on Earth Am I Now? -- 2 Geodesy for the Benefit of Society -- 3 Geodesy Requirements for Earth Science -- 4 The Geodetic Infrastructure: Current Status and Future Requirements -- 5 Geodetic Reference Frames and Co-Location Requirements -- 6 Support for the Precise Geodetic Infrastructure -- References -- Appendixes -- Appendix A: Biographical Sketches of Committee Members and Staff -- Appendix B: Presentations to the Committee -- Appendix C: Glossary -- Appendix D: Abbreviations and Acronyms.