PEALE.J 



UPPER GEYSER BASIN THREE CRATER GROUP. 



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Black and brown shallow basin. 



Eed-lined dead pool. 

 Light colored mud. 



Ked and pink mud, very thick and steaming. 



"Water from No. 9 iiows into this space. 

 Deep holes of turbid water. 



The water is red, and beautiful formations lino 



the cone-like spring. 

 Gray bottomed pool, with hard border. 

 Three craters close to each other. 





Collection of dead and dying mudholes arid 



water pools. 

 Mud puii and pool. 

 Turbid green pool. 

 Large, muddy pool. 

 Gray pool. 















































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Depth 4.i to 5 feet 



3 feet 9 inches by 5 feet 3 



inches. 

 8 bvOfeet 



Collection of nuid-pots in 

 space 28 by 47 feet. The 

 pots are from 2 to 4 feet 

 diameter. 



Collection of mnd -nota 



Mud pots and steam-vents 

 Area riddled with holes; 



space occupies 108J by 



75 feet. 





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