302 INDEX. 



Page. 



Eruptions, causes of 113,125,129 



Centers of 18,297 



Cyclical character of 12G 



Escalante Canons 289 



Monocline 288,294 



River 291,292 



Faults, general discussion of (Chap. II) 25 



homology of, with monoclinal flexures 26 



location of Aquarius 293 



East Kaibab 32 



East Musinia - 34 



Grand Wash 7,28 



Grass Valley ' 32,256,273,295 



Gunnison Valley 162,164 



Haytield 33,295 



Hurricane 7,28,189,194,202,208 



Paria Valley 33 



Sevier 30,163,225,238 



Thousand Lake 33,277,293 



Toro weap ;;0 



Tushar 29,178,180 



West Gunnison 164 



Western Kaibab 32 



Fish Lake 262 



Fish Lake Plateau, general disenssion of (Chap. XII) 256 



Relations to District of High Plateaus 4 



Fremont River 270,277,287 



Fusibility of volcanic rocks 88,90,132,134 



Geikie, A., Carboniferous dolerite and basalts 93 



Gdbert, G. K., laccolitic rocks 94 



Navajo Mountain 290 



Origin of Fish Lake 204 



Water-Pocket fold 45 



Glacial Period 35,41 



Phenomena 35,41,264,270,285 



Grand Wash fault 7,28 



Grand Canon of the Colorado 18,20,37,209 



Granite-porphyry 119 



Grass Valley, discussion of 227, 248 



Fault .* 32,257,273,295 



Relations of, to District of High Plateaus 4 



Gray Cliffs (gee also Jurassic sandstone) 207 



Green River beds 159,167,205 



Gunnison Valley 162,267 



Henry Mountains 18,19,288 



High Plateaus, component members of the 2 



Hilgard, Mount 271 



Hornblendic audesite. (See Andesite.) 

 Hornbleudic propylite. (See Propylite.) 

 Hornblendic trachyte. (See Trachyte.) 

 Howell, Edwin E., on — 



Aquarius Plateau 272 



Origin of Fish Lake 262 



Tertiaries of the Markagunt 204 



Wasatch Plateau 164 



