Deseret Evening News | 1908-11-27 | Page 6 | Limit of Depth

i OF O DE H Below Bolow CO 60 feet teet the tho temperature rises In n the of ot one one degree degree for very 05 O feet fc t of at depth d except i currents of water carry car tho heat hea away Tho ho result Is th t at a depth d of about foet f et we w reach re h a temperature of f 98 8 degrees d gr es or blood heat h at This re enders It I exceedingly difficult to worl con oal below that This Is the ther r eason lson that Great Greut coal com commIssion mIssion has decided that mines aro not workable below feet thickness o of tho solid sol d rocks roc up the crust of ot tho earth is nt t least 30 or o 40 miles mies depth 1 the he heat is such as would reduce I on the surface surface of t tho Dearth to o liquid But B t tho th pressure of ot the tho overlying rocks is so s great Ireat that until ho relation reat n of heit to tho Is s known sit lIt cannot Raid whether ho tho earth at tha depth Is fluid or 01 solid soli Chicago so Tribune M Mt t