LIST OF ILLUSTRATIONS AND MAPs /ix // PREFACE /xi // ACKNOWLEDGMENTs /xiv // The Voyage Begins /1 // The Teton Confrontation /27 // The Ankara Interlude /42 // The Mandan Winter /67 // Lewis and Clark as Plains Ethnographers /113 // Across the Divide /133 // Down the Columbia /163 // The Clatsop Winter /181 // The Way Home /214 // AFTERWORD /252 // APPENDIX: A NOTE ON SACAGAWEA /256 // NOTEs /261 // BIBLIOGRAPHY /289 // INDEx /301