[Geysers] What is this thermal feature?

[TSBryan at aol.com]

River Growler. The force of the steam emission varies some but it is steady 
 and I, at least, have never seen a trace of liquid water coming from it 
(other  than steam condensate, of course). Here is Whittlesey's brief entry 
from  _Wonderland Nomenclature_.
 
 
RIVER GROWLER---A hot spring (sometimes  a roaring fumarole) of the Castle 
Group of Upper Geyser Basin, located at  water's edge on Firehole River 
across the river from Terra Cotta Spring ("Brick  Spring").  It was 
characteristically  named in 1959 by naturalists studying the effects of the earthquake 
of that year  on thermal features._[1]_ 
(aoldb://mail/write/template.htm#_ftn1)  
Note that I will argue against  saying "Castle Group", since this is on the 
east side of the river. But that's a  picky point. Note, too, that Lee is 
referring to Terra Cotta Spring, not to the  Terra Cotta geysers that are 
much closer to the river bridge. Last, that feature  in one of the photos 
downstream and across the river is Spanker Geyser. 
Scott Bryan 

 
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_[1]_ (aoldb://mail/write/template.htm#_ftnref1)   Map:  "Castle Group, 
Upper Geyser  Basin", Watson and Higgins, 1959.


 
 
In a message dated 8/29/2012 8:48:21 A.M. US Mountain Standard Time,  
janet at snowmoon.us writes:

First of all, I  apologize for sitting on this so long - it just completely 
slipped my mind  until processing more photos from our trip in May of this 
year. Mike and I  took a walk after dinner and while crossing the bridge by 
Castle, I noticed  this steaming so powerfully you could easily hear it. 
That was at 1922 on 18  May 2012. We kept walking and came back up the old 
road. By the time we  reached it again, it was still powerfully steaming - maybe 
even a bit more.  The second photo was taken at 1922.

I can't find any reference that  covers this unnamed thermal feature. 
Anyone know?  

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