No. 1.—An Excursion to the Plateau Province of Utah and 
Arizona. By W. M. Davis. 
TABLE OF CONTENTS. 
The Section near Antelope Wash 30 
Introduction : 1 
The Sevier-Toroweap Fault. 4|The Topography of the Colorado 
Previous Statements . 4 Canyon .. 31 
The Fault at Upper Kanab 5| The Cross-Section of the Chnyad 31 
The Jurassic Sandstones 8| Amphitheaters in the Canyon 
Kanab Canyon . . 9 Wallss = te: 3 
The Fault at Pipe Sorin - 12| The Profile of Shar Gar Se hat! 
The Moccasin Fault . . 14] General Relations of Amphithe- 
Erosion in the Pipe Spring aters and Cusps 34 
IDIStTiCti <a... - 15 | The Great Terraces . 36 
Connection of Bovier aaa Paro: Refreshed Cliff Profiles 36 
weap Faults. . . 17| Revived Erosion of the Pink 
The Toroweap Fault at ihe Grand Oliffsets a8 Stee TOS 
Canyon .. >. 95! 18))> Lhe Valley of the Vivo Hoop oe ee} 
Camping on the Hapienale . . . 21] The Fresh-water Tertiaries . . . 42 
General Features of the Espla- Previous Statements. . . . 42 
MAAC aoa ee is 21 Eocene of the High Biesue 
The View from velco s inrane 23 ou Utah et 7. . pee: 
The Hurricane Fault . . . . . 26) The Green River Basin, Wyoming 45 
reviouspstatements |... 9. 2 +. 26\;bibliography, 3) 3°. 3.9... « » 49 
The Section near Coal Spring . 27|Explanationof Plates... . . 450 
Introduction. 
In the summer of 1902, the writer made his third visit to the region of the 
Colorado canyon. Theresults of the first visit in 1900 have already been 
published (a, b); * the results of the second visit in 1901 were of relatively 
small import and are here presented along with those of the third. The 
last excursion was undertaken partly as a means of providing oppor- 
tunity in field work for some of our advanced students in geology at 
Harvard, two of whom, Messrs. Ellsworth Huntington and J. Walter 
1 Dates, letters, or page numbers in parenthesis refer to the bibliography at the 
close of the article. 
VOL. XLII.— No. 1 1 
