INDEX. 



881 



Page. 



Pincn Kange, Palaeozoic formations : 552, 554 



PineNutPass 556 



Piiion Pass 556 



Pogonip limestone 556 



Section of Palaeozoic 554 



Sub-Cai'bonJferOD8 555,556 



thickness of Cambrian 553 



Palajozoic 551,554 



Weber Quartzite 600 



Pinto Peak, Piflon Range, described 553 



Pinusflexilis 195,528 



ponderosa 21, 97, 195 



Pioneer Hollow, coal in Fox Hill Cretaceous 252 



PisoHte ■'9" 



Plant remains in Carboniferous sandstone 546 



Plate I. Horse-Sboe Curve, Green Elver, de- 

 scribed 193,267 



II. Summit Valley, Uiuta Kange, de- 

 scribed ^^^ 



m. Junction of Tampa and Green Rivers 



(described 1^6 



IV. Brown's Park from cauou of Lodore 



described 222 



V. Tertiary Bluffs, Green River City, de- 

 scribed 240 



VI. Tertiary columns. Green River Citiy, 



described 241 



VII. Entrance to Flaming Gorge described. 263 



VIII. Canon of Lodore described 286 



IX. Curved Carboniferous strata, Yampa 



and Green Rivers, described 286 



X. Agassiz Amphitheatre described 322 



XI. Echo Canon, Utah, described 331 



XII. "Witches Rocks, Weber Valley, de- 



scribed . 



334 



XIII. Conglomerate column, Weber Valley, 



• described 334 



XIV. Wahsatch limestone, Provo Valley, 



described ■ ^^^ 



XV. Granite, Little Cottonwood Canon, de- 



scribed . 



356 



XVI. Cambrian, Big Cottonwood Canon, de- 

 scribed 367 



XVII. Blue Canon, East Humboldt Range, 



described ^'-' 



XVin. Glacier Canon, East Humboldt Range, 



described 537, 538 



XIX. Archaean quartzite. East Humboldt 



Range, described 533 



■ XX. Sou Hot Springs, Osobb Valley, de- 



scribed - 



XXI. Tufa Cone, Provo Valley, Utah, de- 



scribed . 



705 



318 



Sou Spring tufa, Osobb Valley, de- 

 scribed , ™fi 



XXII. Small Soda Lake, Carson Desert, de- 

 scribed ^'"' 



XXIII. Columnar rhyolite, Karnak, Nevada, 



described - - '^62 



XXIV. Pliocene Bluffs, Truckee River, de- 



scribed . 



817 

 XXV. Tufa Domes, Pyramid Lake, described 823 

 Pliocene and Quateenary formatioks, East Hum- 

 boldt Range 5*0 



FOKMATIONS, Pinon Range 563 



50 D G 



Page. 



Pliocene fossils. Brown's Park Tertiary 224 



horse, Humboldt Valley 741 



in Green River Basin 205,224 



Morgan Vallty 381 



Salt Lake Valley 439 



lake basin, altitude of ''7 



Poa tenuifolia 747 



Point Carbon, Uinta Range, altitadc 30: 



Point of Rocks Station, Laramie Cretaceous 239 



Pogonip limestone, Eureka Mining District 547 



Mineral Hill, Piiion Range 556 



Roberts Peak 564 



White Pine 543 



Ridge, White Pine, Cambrian 542 



granite 542 



Porphyrolds, West Humboldt Range 721 



Porphyry-dikes, Colorado Range 25 



(feldspar), delessite in 828 



Franklin Buttes 492 



Granite Mountain. 691 



Montezuma Range 756 



Ravenswood Peak 638 



Seetoya Mountains 604, 606 



Spruce Mountain 510, 5U 



Truckee Canon 828 



(hornblende), Augusta Mountains 651 



(granite), Bingham Canon 450 



Clayton's Peak 361 



Franklin Buttes 491 



Goose Creek Hills 515 



Granite Hills 852 



Kinsley district 483 



Parkview Peak 122 



Stockton ^49 



492 



stone-cavities in . 



361 

 169 

 478 

 365 

 585 

 621 

 377 

 444 

 636 

 379 

 727 

 422 



Twin Peaks 



Whitehead Peak 



(quartz). Castle Peak 



(syenite) , Big Cottonwood Canon 



Cluro Hills ■ 



Potassa in dacite - ■ 



Potsdam, City Creek, Wahsatch Range 



Ophir City, Oquirrh Mountains • 



Pre-glacial trosiou 



Pressure in Archaean gneiss • 



Prince Royal Ci; fion , West Humboldt Range 



Promontory Mountains, Antelope Springs 



Archaean 421,423 



geo'.ogical structure 420, 422 



terracelines - 421 



Station, altitude '*21 



Uplift ^''" 



Propylite (augite) , Silver Mountain *32 



Berkshire Canon 840,842 



epidotein ^^^ 



Fish Creek Mountains 662 



Havallah Range ^''^ 



Miner's CaSlon ^^^ 



Montezuma Range '^^ 



Sheep Corral Canon ^38 



Truckee Canon 827,831 



Tuscarora 



(quartz) Cortez Peak ^77 



Mullen's Gap 



PappoosePeak. 



844 

 580 



