Miscellaneous Intelligence. 997 
subsided, showing 
It is to be regretted that there are no means of definitely ascer- 
taining the variations of the lake since the settlement of the val- 
ley in 1847. It is generally conceded by old residents, however, 
sr the lake is now some twelve or fourteen feet higher than 
then 
: Until the Spring of 1852 there was no perceptible permanent 
rise; the increase from the high waters of the spring, and the sub- 
i he a 
: uced a nding increase in the volume and extent of the 
Q lake ; exhibiting, in the latter year, a rise of sume six feet above 
the lowest stage of 1852. From 1856 to 1861 a gradual se 
1852; and more than half of this area was less than five feet in 
depth. Captain Stansbury, in 1850-51, reports its greatest depth 
as fifty-six feet. ae 
_ In the spring of 1862 the lake began to extend its area and con- 
tinued to rise until 1868, when it had reached a point twelve feet 
gher than the lowest stage of 1861, with an area estimated at 
One and a half times that of 1861. 
Since 1868, up to the present time, the rise and fall have been 
about equal, the lake holding its own, with a slight increase and 
an extreme variation of about two feet ; : 
e data we have presented above show conclusively an irre- 
Pressible determination of the waters to rise. The mountain 
