The sea to the west 39 Deposits and events east of the sea 39 Dinosaurs roam the Monument 47 Dinosaurs on the move 53 Yet another gap in the rock record 54 Peat bogs 55 The sea covers the Plateau 56 The sea’s final retreat 56 End of the dinosaurs 60 The age of mammals 61 Early deposits and events 63 Lake Uinta 63 The mountains rise again 64 Nearby lava flows 71 Ancestral Colorado River 72 Piracy on the high plateaus 72 The age of man 76 The ice age 77 Capture of East Creek 78 Canyon cutting 78 A look into the future 83 How to see the Monument 85 Trips through and around the Monument 88 From Grand Junction through the Redlands to the West Entrance of the Monument 88 From Fruita to the West Entrance of the Monument 96 Through the Monument from West to East Entrances 97 From the East Entrance to Grand Junction 118 Through Glade Park from the northwest arm of Ute Canyon to Columbus Canyon 119 From Glade Park to Grand Junction via the Little Park Road 121 Résumé of geologic history and relation to other National Parks and Monuments in the Colorado Plateau 125 Acknowledgments 130 References 131 Additional reading 133 Index 135 Figures Page