Show GROUND FROZEN AGES scientific explanations of fact which has P puzzled pled led miners who have worked in alaska miners and geologists familiar with conditions in aloiska tire aware that in many places tile th ground in ili that country auntry is permanently frozen except on oil tho surface to a depoli of 0 00 and even 00 feet weilo tills this lins fins been popularly attributed to long continued low temperature in winter the interesting leeory theory tins lias recently been nd vancel by a scientist that tho condition Is tile duo to fur far colder ehtier ei tier lier that in some bonie pre ire lwi alous ago age and that protective protect 0 vegetation alon on oil the surface binm icett the ho frost in III the ground since then 1 it tins been found that when moss has been cleared away for open opell cut mining or fa aming tile tho upper level of tilt lie grou grounds rids frost gradually to lo ft descend heend seend if such ks s tile case it inny inu show that present temperatures temperature are arc not low enough to freeze the ground to the gnat depths cited above aboc pop hinr magazine |