Pit ponies of the coal mines are easily the most controversial working horses in history. Here a mining horse poses with his coworkers. In the 1960s, mechanization eliminated pit ponies altogether.Pit ponies of the coal mines are easily the most controversial working horses in history. Here a mining horse poses with his coworkers. In the 1960s, mechanization eliminated pit ponies altogether.
Pit ponies of the coal mines are easily the most controversial working horses in history. Here a mining horse poses with his coworkers. In the 1960s, mechanization eliminated pit ponies altogether.