124 



GEOLOGICAL SURVEY OF THE TERRITORIES. 



si 



1 



Po.sition of spring. 



> 

 m 



o 



o 



o 



a 



Size. 



P 



Gas given off. 



a 



o a 



II 



p. 

 i 



a 



II 



o 



m 



o 

 > 



4H 



....do 



12. 05 p. m. 

 12. 05 p. m. 

 12. 07 p. m. 

 12. 07 p. m. 

 12. 10 p. m. 

 12.10p.m. 

 11. 11 a. m. 



11.11 a-ra. 



11. 12 a. m. 

 11. 12 a. in. 



11. 13 a. m. 

 11.13 a.m. 

 11. 15 a. m. 

 11.40 a-m. 

 11. 40 a. m. 

 3 1. 40 a- m. 

 11.45 a.m 

 11.50 a. m. 

 11. 50 a. m. 

 1 1. 50 a. m. 



Gr e y s e r - 1 i k 

 }■ tubes on 

 1 mounds. 



J 

 12 in. X 12 in 



3 in. X 4 in 



6 in. X 6 in 



1ft X 2 ft 



1 ft-XUft 



8 ft. X 3 ft 



4 ft X3ft 



^ Fissure GO feet 

 long. 



•} Fissure 54 feet 

 5 long. 





do 



78 

 78 

 78 

 78 

 78 

 78 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 



148 

 146 

 130 

 140 

 140 

 142 

 'J6 

 92 

 103 

 102 

 110 

 112 

 108 

 145 

 145 

 140 

 130 

 116 

 118 

 120 



C, 758 



44 



....do 





do 



C, 758 



"iO 



....do 



do 



6, 758 



51 



.--.do 



.--do 





do 



(> 759 



r^O 





do 



6 758 



'i? 



- - do 





do 



6, 758 

 ~/i 779 



54 



Fourtee'h terrace 



.--.do ..--'- 



....do 



8 in. 

 12 in. 

 4 in. 

 4 in. 



2 in. 



3 ft 

 2 ft. 





55 



5fi 



do...... 



do 



6,779 



6,779 



57 



....do 



do 



6,779 



5R 





do 



6 779 



50 



. . do 



do 



6 779 



fiO 



....do 



Sulphuretted hydrogen 

 do '. 



6,779 



(il 



....do ... 



6 779 



fi'> 



....do 





......do 



6 779 



d"^ 



....do 





do 



6 779 



M 



....do 





do 



6, 779 



65 



do . 





do 



6 779 



60- 



....do 



... do 





do 



6 779 



67 





do 



6 779 













The elevation of the ridge just above the fourteenth terrace is 7,035 feet. 



The greatest chjing/e 

 in the springs was no- 

 ticed on the ninth and 

 t^^ elfth terraces. The 

 former in 1871 was al- 

 most entirely covered 

 with water, through 

 which the various 

 springs could be noted 

 by the points of ebul- 

 lition. It was impos- 

 sible to walk any- 

 ^ where but around the 

 edge. Now, however, 

 the most of the water 

 ' has disappeared, and 

 , onl^ the springs re- 

 main , andone can walk 

 I almost anywhere on 

 ithe terrace. On the 

 ij twelfth terrace there 

 W are a great many new 

 ""^ springs, all of which 

 have a high tempera- 

 ture. Carbonic- acid 

 gas can be detected in 

 the springs of the four- 

 teenth terrace by the 

 taste. These springs 

 are hid in the grass, 

 and it is only by care- 

 ful searching that they 

 YELLowsTONB aro found. 



BASINS OF HOT SPRINGS AT GARDINER'S RIVER, 

 NATIONAL PAR'K. 



