CONTENTS. 7 
Part II. Water Resources. 
Page. 
Introduction 147 
Surface and subsurface water 147 
Springs 148 
Hillside springs 149 
Canyon springs 150 
Fissure springs 151 
Cavern springs 152 
Temperature 152 
Similarity between springs and wells 154 
Relation of springs to climate, topography, and geology 154 
Development of springs 156 
Artesian wells 156 
Requisite conditions 156 
Available water on Snake River plains 158 
Surface streams 159 
Springs 162 
Canyon springs 162 
Fissure springs 168 
Wells 171 
Surface wells 172 
Rock wells 172 
Artesian wells 174 
Boise 174 
Bruneau Valley 174 
Little Valley 175 
Rock Creek Hills 176 
Unsuccessful wells 177 
Imperfect casings 178 
Lewis artesian basin 178 
Shoshone artesian slope 180 
Possibility of obtaining flowing wells in alluvial deposits 181 
Probability of the presence of water beneath the eastern portion 
of the Snake River Plains 183 
Conclusion 184 
Index 187 
