Show Lake That Stores Heat There Is a lake thatstores the suns heat at Medvc In northeastern Fran sylvanln Thick beds of rock salt underlie un-derlie the district and similar formation forma-tion appears upon the surface In tho shape of mounds some of them over 100 feet In height Amongst these th lake rests at fully 1500 feet above sea level Upon the surface Its water Is almost sweet four Inches below there is a twentieth of salt at two feet there Is onefifth and at five feet tho water Is practically saturated with salt In September after a summers sunshine sun-shine the thermometer showed the takes waters to be 150 degrees four feet down Even by April after a whole season of wintry weather It had only been reduced to 80 degrees Experiments have proved that this Is due to absorption and retention of the guns heat by the saltsaturated solution solu-tion Montreal Herald |