ILLUSTRATIONS
Reading edition
PAGE
The Grand Canyon Frontispiece
Diagrammatic Sections of Grand Canyon Region x
Rocks of First Era, Inner Gorge of Grand Canyon 1
Block Diagrams of Events of First Era 3
Tilted Rocks of the Second Era, Grand Canyon 5
Diagrammatic Section of Third Era Formations, Grand Canyon 8
Scene on Cambrian Sea Floor in Grand Canyon Region 10
Trilobites Preserved in Green Shale of Grand Canyon Walls 11
A Fresh-water Fish of Devonian Age (Sketch) 12
Sea Life from the Redwall, Grand Canyon (Sketches) 12
Havasu Falls in Redwall Limestone, Grand Canyon 13
Tracks of Short-legged, Prehistoric Animal, Supai Formation, Grand Canyon 14
Landscape at Time Hermit Shale was Forming 15
Fossil Fern From the Hermit Shale, Grand Canyon 15
Wind-blown Sand, Coconino Formation, Grand Canyon 17
Tracks of Primitive Four-footed Animals, Coconino Sandstone, Grand Canyon 17
Marine Life From the Kaibab Limestone, Grand Canyon (Sketches) 18, 19
Diagrammatic Section of Fourth Era Formations, Southern Utah and Painted Desert Regions 20
Cedar Mountain 22
Red Butte 22
Petrified Forest, Arizona 23
Petrified Logs of Triassic Age 23
Dinosaur Tracks, Painted Desert 24
The Painted Desert 25
Zion Canyon, Navajo Sandstone 26
Rainbow Natural Bridge, Navajo Sandstone 26
Cretaceous Shells From Southern Utah (Sketches) 27
Coal Canyon, Painted Desert Country 28
Bryce Canyon 30
Map of Colorado River 31
A Great Erosion Surface 32
Diagrammatic Cross Sections of Grand Canyon 35
The Grand Canyon 36
Zion Canyon 37
Chart of San Francisco Mountains 39
San Francisco Mountain—Past and Present (Sketch) 40
Map of San Francisco Mountain Volcanic Field 40
San Francisco Mountain 41
Elephant and Camel Remains 42
Ancient Indian Petroglyphs, Head of Bright Angel Trail, Grand Canyon 43
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