Its lack of safety considerations would terrify folks today. Look at film of highscalers with little more than a rope. Diversion tunnel crews that were at const

Its lack of safety considerations would terrify folks today. Look at film of highscalers with little more than a rope. Diversion tunnel crews that were at constant risk of cave-in and suffocation. Blacks segregated and given the most dangerous jobs. All the cheap labor you could use.