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tXBEE'of contents. 



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Page. 



Table of conteuts iii 



List of new species described vi 



List of illustrations and majis ix 



Letter to the Secretary 1 



PART I. 



Report of F. V. Hayden, United States geologist 12 



Chap. I. — Inti-oductory chapter 13 



II.— Gallatin VaUey : Yellowstone Valley 26 



III. — From East Fork to the mining district on Clark's Fork and return ; 

 Yellowstone Yalley and Hot Springs; Geyser Basins and Madi- 

 son River ■ 44 



y IV. — Madison Valley ; Three Forks ; Gallatin Valley aud Caiion to 



source of river ; from Three Forks to Helena 65 



Report of N. P. Langford on the resources of Snake River Valley SG 



Ivleans of access to the Yellowstone National Park by railroads, by R. Hexing. .. 92 



Report of A. C. Peale 99 



Chap. I. — Colorado aud Utah 100 



II. — Fort Ellis to Gardiner's River lOS 



ni. — Gardiner's River to Mud Volcanoes Yellowstone Valley 125 



rV. — Geyser Basins of Fire- Hole River 141 



V. — Madison Valley Geyser Basins to Gallatin City; Cherry Creek 



Mines : 159 



VI. — Gallatin Valley ; Bozeman Creek; Middle Creek; ilount Black- 

 more, and West Gallatin River 167 



Catalogue of thermal springs 175 



Catalogue of minerals 179 



Catalogue of rocks -. 183 



Report of Frank H. Bradley, geologist 190 



Chap. I. — Wahsatch Mountains ; Ogden to Fort Hail 192 



II. — Market Lake, Crater Buttes, T6ton Mountains, Plenry's Fork, Hen- 

 ry's Lake, Madison River, Geyser Basin, Reunion 203 



III. — Yellowstone Falls, Geyser Basins, Madison Lake, Shoshone Lake, 

 Mount Sheridan, head of Snake River, Jackson's Lake ; return 



to Fort Hall 232 



IV. — Mount Sheridan, heads of Snake River, Falls River Pass, Jackson 



Lake, Glacier Lakes, Grand Canon of Snake River, Fort Hall. . . 250 

 Physical geography and agricultural- resources of Minnesota!, Dakota, aud Ne- 

 braska, by C. Thomas 275 



Introductory remarks 277 



Physical geography : 280 



Minnesota 297 



Dakota 303 



Nebraska 308 



