124 



GEOLOGICAL SURVEY OF THE TERRITORIES. 



S 



48 

 49 

 50 

 51 

 52 

 53 

 54 

 55 

 56 

 57 

 58 

 59 

 60 

 01 

 C2 

 63 

 64 

 65 

 60 

 67 



Position of spring. 



..-.(io 



....do 



....do 



....do 



....do 



....do 



Fourtee'h terrace 



....do 



....do 



....do 



...do 



....do 



....do 



....do 



....do 



....do 



...do 



....do 



....do 



....do 



> 

 u 

 o 



Size. 



G eyser-like 

 t ii b o 8 o u 



nioniuls. 



12 in. X 12 in 



3 in. :< 4 in 



G ill. X G in 



1 I't. X 2 ft 



1ft X Uft 



8 ft. X 3 ft 



4 ft. X3ft 



^ Fissure 60 feet 

 long. 



} Fissure 54 feet 

 i long. 







Sin. 

 12 in. 

 4 in. 

 4 in. 

 Sin. 

 3 ft. 

 2 ft. 



Gas given off. 



do 



do 



do 



do 



do 



do 



Carbonic acid 



do 



do 



do 



do 



do 



Sulphuretted liydrogen 

 do 



.do 

 .do 

 .do 

 .do 

 .do 

 -do 



P I- 



H 



78 

 78 

 78 

 78 

 78 

 78 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 

 74 



.CC7Z 



r " 



- a 

 g| 



148 

 146 

 130 

 140 

 140 

 142 

 9G 

 92 

 108 

 102 

 110 

 112 

 108 

 145 

 145 

 140 

 130 



lie 



118 

 120 



IS 



w 



e, 758 

 6, 758 

 6, 758 

 0, 753 

 6, 75a 

 6, 7.'>a 

 0, 779 

 6,779 

 6,779 

 6,779 

 6,779 

 6,779 

 6, 779 

 6,779 

 6,779 

 6,779 

 6,779 

 6, 779 

 6,779 

 6, 779 



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



pjg ,j_ The greatest change 



— -^ in the springs was iio- 



_ ticed on the ninth and 



*S^ ' J twelfth terraces. The 

 ''^ former in 1871 was al- 

 f most entirely covered 

 5 with water, through 

 "which the various 

 ^^c/^-^ springs could be noted 

 "by the points of ebul- 

 i, lition. It was vim pos- 

 sible to walk any- 

 where but around the 

 edge. Now, however, 

 " the most of the water 

 has disappeared, and 

 s only the springs re- 

 niciin, and one can walk 

 aliQost anywhere on 

 the terrace. On the 

 ^-'t\\elfth terrace there 

 ^ are a great many new 



^^^^ A--1 





*^-'is^i tat jSf-H^' 













IM^ ^ -^MK^ik?^ 



" -^ springs, all of which 



4^JI have a high tempera- 



"^ ture. Carbonic-acid 



gas can be detected in 



^^ , the springs of the four- 



I^^ tecnth terrace by the 



•^^^ taste. These springs 



^:^=?^aie hid in the grass, 



x^.;^;^\ and it is only by care- 



>:;^Ah^\i^ till searching that they 



BASINS OF HOT SPRINTS AT ( ARDIVER S RIVER 

 NATIONAL PARK, 



YELLOWSTONE Jie fOUUd. 



