Front Matter -- Reviewers -- Preface -- Contents -- Figures, Tables, and Sidebars -- Executive Summary -- 1 Introduction -- 2 Nature of the Challenge -- 3 Geoscience Data and Collections Today -- 4 Managing Geoscience Data and Collections: Challenges and Practices -- 5 Regional Centers: A Model for the Future -- 6 Challenges and Solutions -- References -- A Biographical Sketches of Committee Members -- B Presentations to the Committee -- C Questionnaire -- D Types of Geoscience Data and Collections -- E Glossary -- F Acronyms and Abbreviations -- G NSF Division of Earth Sciences (EAR) Guidelines for Geoscience Data and Collections Preservation and Distribution -- H Web Sites.