74 — University Geological Survey of Kansas. 
An analysis of Kanopolis salt given below shows that it also 
is extremely pure : 
I. 11. II. 
Sodiumiuch onde eee eee eee 97.94 © 97 .23 96.99 
Imsolubleiresiducssen nee alles .08 .29 
Calciumysulfatesee eee eee een ITS 2.04 2.60 
Sodiumysulfatensecenreeeneence ice .10 RC apolar 30 
MWileyernesrunin @NCRC), oo so00 0000500000006 .05 24 ml 
Mota sku cack Se Ree eee 100.00 100.00 100.00 
EVAPORATED SALT. 
The brine used for making salt is evaporated either by the 
solar process, as at Solomon City, or by the use of artificial 
heat, as at Hutchinson and elsewhere. 
The Solar Process. 
In the solar process the brine is obtained from a well about 
100 feet deep, although the chief supply enters the well at a 
depth of only thirty-five feet. 
From ‘‘ Mineral Resources of Kansas for 1898,’’ we quote the 
following : | 
‘(In making the salt, the brine is pumped from a well by 
means of a two-and-one-half-inch centrifugal steam-pump, 
having a capacity of 600 gallons per minute. It is delivered 
into a reservoir, where it becomes considerably concentrated 
by evaporation. The sediment pumped from the well subsides, 
and is shoveled from the bottom of the reservoir from time to 
time as occasion requires. To effect such a cleaning the pump 
is stopped, the brine turned into other rooms, the sediment 
shoveled out, and the reservoir properly cleaned with water. 
The depth of the brine kept in the reservoir is usually less 
than twelve inches, but considerable variation is noted from 
day to day, depending upon the rapidity of evaporation and 
rapidity of pumping. 
‘‘Hrom the reservoir the brine is first carried into the ‘water 
room,’ where it is rarely allowed to be more than twelve inches 
deep. Here, the remainder of the mechanically held impuri- 
ties subside, leaving an entirely clear brine to be passed on to 
the ‘lime room.’ In this second room the evaporation is car- 
ried far enough to cause precipitation of the principal im- 
