François Emile Matthes	13
The Winds of the Yosemite Valley	43
The Striped Rock Floor of the Little Yosemite Valley	49
El Capitan Moraine and Ancient Lake Yosemite	55
The Story of Moraine Dome	63
Cockscomb Crest	77
Kings River Canyon and Yosemite Valley	85
The Devil’s Postpile and Its Strange Setting	101
The Little “Lost Valley” on Shepherd’s Crest	109
Tuolumne Meadows and Vicinity	123
The Scenery about Tenaya Lake	129
Merced Lake and Its Environment	137
Lodgepole Camp and Tokopah Valley	147
Avalanche Sculpture in the Sierra Nevada	155
The Geologic History of Mount Whitney	163
John Muir and the Glacial Theory of Yosemite	187
Appendix: Major Divisions of Geologic Time in Use by the U.S. Geological Survey	189