Show lono long lived mines and profits profit aro are long lived mines more profitable pron tabla than short lived ones onest the average investor would consider this a foolish question assuming naturally that the longer a mine lasts tho the greater the accumulated profits just about tho the contrary la Is the case tho the figures supplied by br the mines department part ment ot johannesburg where the regularity ot of dep deposits on tho the hand makes it possible to guage evage the liven live 0 of mines minca with accuracy should convince tho the skeptic that owing to compound jn jaw terest a long lifo does not add to the value of a mine to the extent commonly assumed E and mining journal |