 | Augustus Jesse Bowie - 1878 - 108 strani
...remain on the bank, a great rush of water and debris ensues, and the men at the pipe have frequently to run for their lives. Such occurrences, arising...carelessness or accident, cause a loss of time, and frequently entail damage to the pipe and machines. Caves, when practicable, are generally made towards... | |
 | American Institute of Mining, Metallurgical, and Petroleum Engineers, American Institute of Mining Engineers - 1879 - 688 strani
...remain on the bank, a great rush of water and debris ensues, and the men at the pipe have frequently to run for their lives. Such occurrences, arising...carelessness or accident, cause a loss of time, and frequently entail damage to the pipe and machines. Caves, when practicable, are generally made towards... | |
 | American Institute of Mining, Metallurgical, and Petroleum Engineers, American Institute of Mining Engineers - 1879 - 698 strani
...remain on the bank, a great rush of water and debris ensues, and the men at the pipe have frequently to run for their lives. Such occurrences, arising...carelessness or accident, cause a loss of time, and frequently entail damage to the pipe and machines. Caves, when practicable, are generally made towards... | |
 | Augustus Jesse Bowie (Jr.) - 1885 - 358 strani
...benches have been used to the limit of 250 feet, and above this double benches. When the man at the pipe Sees that the bank is about to cave the water should...carelessness or accident, cause a loss of time and frequently entail damage to the pipe and machines. Caves, when practicable, are generally made towards... | |
 | Augustus Jesse Bowie (Jr.) - 1898 - 360 strani
...benches have been used to the limit oi 250 feet, and above this double benches. When the man at the pipe sees that the bank is about to cave the water should be immediate!}- turned away from the falling masses ; if the cave falls upon the water in the ground cut,... | |
 | 1899 - 696 strani
...exceed 150 feet in height, the deposit is usually worked in two benches. When the men at the pipes see that the bank is about to cave, the water should be immediately turned away, for if the cave falls on water, a rush of debris is liable to follow, which may bury the pipes and... | |
 | 1903 - 658 strani
...exceed 150 feet in height, the deposit is usually worked in two benches. When the men at the pipes see that the bank is about to cave, the water should be immediately turned away, for if the cave falls on water, a rush of debris is liable to .follow, which may bury the pipes and... | |
 | 1905 - 672 strani
...exceed 150 feet in height, the deposit is usually worked in two benches. When the men at the pipes see that the bank is about to cave, the water should be immediately turned away, for if the cave falls on water, a rush of debris is liable to follow, which may bury the pipes and... | |
 | 1908 - 926 strani
...exceed 150 feet in height, the deposit is usually worked in two benches. When the men at the pipes see that the bank is about to cave, the water should be immediately turned away, for if the cave falls on water, a rush of debris is liable to follow that will bury the pipes and force... | |
 | International Correspondence Schools - 1908 - 932 strani
...exceed 150 feet in height, the deposit is usually worked in two benches. When the men at the pipes see that the bank is about to cave, the water should be immediately turned away, for if the cave falls on water, a rush of debris is liable to follow that will bury the pipes and force... | |
| |
When the cut is rapidly pushed ahead and the work not squared, the men at the pipes become encircled by the high walls and their lives are in danger. Where the banks exceed 150 feet in height, the deposit is usually worked in two benches. When the men... 