INDEX. 
81 
Page. 
Soldier Creek, gypsite near 58 
spring on 75 
Sportsman Lake, gypsum at 57 
volcanic ash at 65 
analysis of 65 
Spring Canyon, spring in 75 
Spring Creek, gypsite near 58 
Springs, occurrence and character of 75-76 
Stanton, T. W., and Knowlton, F. H., on 
fossils of the Laramie 37-42 
Steamboat Rock, view of 14 
Stratigraphy, description of 11-46 
general section of 11-12 
Structure, description of 46-53 
sections showing 46 
Sulphate of magnesia. See Epsomite. 
Sundance formation, character and distribu- 
tion of 26-27 
fossils of 27 
sections of 26, 27 
Sybille Springs, flow from . a 75 
T. 
Temperature, records of 9-17 
Terraces, character and < istribution of 45-46 
Terry Fee mine, coal of 55 
Tertiary deposits, occurrence and character of. 43-45 
view of 44 
Page. 
Trabing ranch, well on 73 
Triassic rocks, occurrence and character of. . . 22-25 
U. 
Union Pacific Railroad well 72-73 
record of 72 
Union Pacific Soda Lakes, soda in 63-64 
soda in, analysis of 63 
waters of 63 
analyses of 63 
University well, record of 69 
water of, analysis of 76-77 
Y. 
Volcanic ash, analysis of 65 
character and distribution of 65 
section of 65 
W. 
Waters, analyses of 76-77 
"Waters, underground, character and distribu- 
tion of *i7— 77 
investigation of 7-8 
Wells, data of 68 
description of. - 68-75 
water of, sources of 67 
Willow Creek, gypsite near 58 
Willow Spring, description of. 75 
Wyoming, map of, showing area discussed.. . 7 
o 
58050— Bull. 304—09 6 
