VI TABLE OF CONTENTS. 



Page. 

 Section I. — Continued. 



Chap. II. — Continued. 



Springs of tlie Grand Canon - 88 



Wayside Group 89 



Orange Creek Springs - 89 



Eecapitulrttion - 90 



III. Hay den's Valley Springs 90 



Crater Hills 91 



Table of Crater Hills Springs 93 



Mud Volcanoes or Mud Springs 94 



Table of Springs at Mud Volcanoes 103 



Violet Creek Springs 106 



Warm Spring Creek or Prairie Group 108 



Boiling Springs on Warm Spring Creek 109 



Brimstone Group Ill 



Eecapitulation Hay den's Valley Springs 112 



IV. Springs of Yellowstone Lake 112 



Sulpliur Hills 113 



Turbid Lake Group 114 



Steamboat Springs 115 



Mary's Bay Group 116 



Lake Butte Springs 117 



Brimstone Basin 117 



Springs at head of Pine Creek 1 117 



Springs on west arm of Yellowstone Lake 118 



Recapitulation 120 



V. Pelican Creek Springs 120 



West Pelican Creek Springs 121 



Pelican Creek Mud Volcano 122 



Recapitulation Pelican Creek Springs 123 



Section II. Springs on Madison River Drainage 124 



Chap. VI. Gibbon River Springs 124 



Gibbon Geyser Basin 124 



Table of springs 125 



Description 125 



Moniiment Geysers 132 



Lower Group on Gibbon's Fork 133 



Eecapitulation Gibbon River Springs 134 



VII. Lower Geyser Basin of Fire Hole River 135 



East Fork Sulphur Springs 136 



First or East Fork Group 137 



Table of the East Fork Group 138 



Description of the East Fork Group 139 



Butte Group 141 



Camp Group 142 



Table of Camp Group Springs 142 



Description of Camp Group Springs 143 



Second or Thud Group 144 



Table of Thud Group 144 



Third or Fountain Group 147 



Table of Fountain Group 148 



Descrijotion of Fountain Grouj) 149 



Fourth or Fissure Group 155 



Table of Fissure Group . . . f?. 156 



