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POPULAR SCIENCE MONTHLY.
have a marked influence in dissipating the winter's snows and ice when these are not particularly heavy, I did not find the August heat quite so intense on the mountain tops as I had been led to
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fe/PSM_V55_D318_The_vale_of_Eldorado.png/500px-PSM_V55_D318_The_vale_of_Eldorado.png)
The Vale of Colorado.
suppose that it would be, but there was quite enough of it to satisfy an ample vegetation and to make heavy garments in walking more than a luxury. Unfortunately, my thermometer was away from me at this time, and as sensation in this dry northern climate is so