March, 1919] Temperatures of Ten Thousand Smokes 



269 



No. 19. T. 304 C. XI, S 50 W. Mt. Cerberus, S 55 E. Baked 

 Mountain, N 48 E. 



This was a big hole in the level Valley floor which gives forth steam and 

 gases. The steam did not condense until some distance above the 

 opening. There were no conspicuous deposits around the throat of 

 the fumarole. It was a gray ash color similar to the surrounding Valley 

 floor. Several feet down in the throat one could see the ordinary tuff 

 of the mud flow. We obtained a temperature of 304 C. at the surface. 

 Photograph 3726. 



AREA 12. 



Photograph by Paul R. Hagelbarger 



This cracked and broken area, with white and brown incrustations, showed many 

 different temperatures in the numerous crevices; maximum 299 C. 



No. 20. T. 269 C. 75 yards south of No. 19. 



Like the preceding, this fumarole was an irregular opening in the 

 mud flow, with no conspicuous deposits, but surrounded by the common 

 ash of the Valley floor. The temperature at the mouth was 245 C, but 

 four feet down it was 269 C. Photographs 3727, 3728. 



No. 21. T. 196 C. Mt. Cerberus, S 60 E. XI, S 48 W. Baked 



Mountain, N 48 E. 



This large crater near the River Lethe was very brilliant and steaming 

 copiously. We were unable to secure the temperature of the crater 

 itself, but took the temperature of a small fissure in its rim. This 

 registered 196 C. at the surface. The crater had a striking, dark red and 

 black coating in its throat, and was a spectacle whenever the steam 



