inside a mine, a group of miners are seen riding on a mantrip. followed by mining carts being loaded with oar. later, a miner dumps the oar out of... - 礦內工作區 個影片檔及 b 捲影像00:32
aerial view of an illuminated bucket-wheel excavator in a sprawling open-pit mine at dusk - 礦內工作區 個影片檔及 b 捲影像00:19
sequence showing three coal miners tipping a large coal truck emptying it down a chute to a waiting dump truck beneath in wales; 1968 - 礦內工作區 個影片檔及 b 捲影像00:10
pan right following a pit pony hauling a mine truck full of coal out of a coal mine, followed by a miner, wales; 1968 - 礦內工作區 個影片檔及 b 捲影像00:11
sequence of gvs showing a derelict coal mine pit wheel and a pile of rusty coal carts at a closed colliery, wales; 1973 - 礦內工作區 個影片檔及 b 捲影像00:05
high angle pan showing two men bringing a grey pit pony pulling a mine cart laden with coal out of a traditional coal mine in newport, wales; 1965 - 礦內工作區 個影片檔及 b 捲影像00:18
high angle pan showing one man leading a grey pit pony pulling an empty mine cart into a traditional coal mine in newport, wales; 1965 - 礦內工作區 個影片檔及 b 捲影像00:15
at a mining operation site, two filipino miners are seen dumping a mining cart filled with oar. the oar is dumped on top of more piles of ore,... - 礦內工作區 個影片檔及 b 捲影像00:21
outside a mine tunnel at a mining operation site, a group of filipino gold miners are seen standing alongside a track. followed by the workers... - 礦內工作區 個影片檔及 b 捲影像00:16
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts. - 礦內工作區 個影片檔及 b 捲影像00:09
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts. - 礦內工作區 個影片檔及 b 捲影像00:10
"silver rises: west happy, tombstone, ariz. - boom arrives as treasury boosts silver prices! mining area wakes to call of riches" / wide overhead... - 礦內工作區 個影片檔及 b 捲影像01:19
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:09
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:09
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:10
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:10
aerial view of clay mining site in santa gertrudes, são paulo countryside, brazil - 礦內工作區 個影片檔及 b 捲影像00:36
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:09
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:09
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:09