IRON MANUFACTURING. IRON INDUSTRY. MINING PROCESS.
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| 03:00:30 2 |
AFTER BLASTING THROUGH WALL, MINERS TRIM LOOSE ORE BEFORE MUCKING STARTS
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| 03:00:55 27 |
A SCRAPER OPERATED BY AN ELECTRIC TUGGER IS USED TO SLUSH THE BROKEN ORE UP A SLIDE INTO A MINING CAR, TRAM AT THE ENTRY DRIFT
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| 03:01:36 68 |
WHEN THE CAR IS FILLED, MINER TRAM, MOVE ORE BY HAND
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| 03:02:15 107 |
PAN BOARDING UP MINED OUT ROOM & THE OTHER SIDE OF THE ROOM NOT BOARDED UP
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| 03:02:57 149 |
MINERS DRILLING THROUGH THE TIMBERS TO ALLOW FILLING OF THE ROOM BY SUBSIDENCE OF THE GROUND ABOVE
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| 03:03:38 190 |
MINER FILLING COAL CAR WITH ORE FROM CHUTE.
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| 03:03:51 203 |
DUMPING ORE INTO SHAFT POCKET
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| 03:04:10 222 |
LOADING ORE INTO RAILROAD CARS
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| 03:04:28 240 |
PAN ORE PIT, SURFACE CAVING CAUSED BY TOP-SLICING
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| 03:05:11 283 |
SUBLEVEL CAVING METHOD. ORE ABOVE WORKING SUBLEVEL CAVED THROUGH INTO CHUTES LEADING TO NEXT LOWER SUBLEVEL. USING BIG MECHANICAL SHOVEL TO DIG ORE.
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| 03:06:41 373 |
ORE MINING, DUMPING LOADS, LOADING COAL CARS IN MINE WITH ORE.
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| 03:08:46 498 |
WORKERS IN MAGNITE MINES IN NEW YORK
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| 03:10:59 631 |
MINING BY OPEN STOPES. GOGEBIC IRON RANGE.
TUNNEL WHERE ORE CAN BE EXCAVATED FROM THE VEIN. |
| 03:12:21 713 |
LAKE SUPERIOR MINES. ORE STOCKPILED FOR WINTER.
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| 03:12:51 743 |
COAL CARS PASSING THROUGH OPEN ENDED BUILDING CRUSHING BREAKING UP LARGE CHUNKS OF IRON ORE
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| 03:13:14 766 |
OPEN PIT MILLING PROCESS. JAW CRUSHER. GYRATORY CRUSHER. CRUSHED ORE ON CONVEYOR TO REVOLVING SCREEN TO BE SIZED. HAND PICKING OVERSIZED CHUNKS SCREEN ORE IN LOG WASHERS. ORE PARTICLES SINK &
ARE PROPELLED OUT UPPER END. |
| 03:15:22 894 |
LOADING WASHED ORE INTO OPEN CARS.
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| 03:15:36 908 |
WORKER ON TOP OF CAR OF ORE. A SCOOPFUL IS TAKEN BENEATH EACH KNOT IN A ROPE.
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| 03:16:33 965 |
RAILROAD COAL CARS EN ROUTE TO DOCKS. LAKE SUPERIOR. UNLOADING ORE AT DOCKS AT DULUTH.
INTO FREIGHTER. |
| 03:18:32 1084 |
FREIGHTER GOING THROUGH THE SOO LOCKS. ARRIVING AT A LOWER LAKE PORT.
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| 03:19:37 1149 |
DOCK OF A BLAST FURNACE PLANT. UNLOADING ORE.
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| 03:21:29 1261 |
CAR DELIVERS THE ORE TO THE STOCKPILE
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| 03:22:06 1298 |
ORE LOADED FOR INLAND SHIPMENT OR CHARGED TO THE BLAST FURNACES BY MEANS OF SKIPS. BLAST FURNACE & ITS FOUR STOVES.
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| 03:23:29 1381 |
WORKER TAPPING THE FURNACE WITH AN OXYGEN BLOWPIPE SLAG FLOWING THROUGH CHANNEL. MOLTEN IRON. AFTER IRON IS OUT, THE TAP IS PLUGGED BY A MUD-GUN, IRON IS CASTED IN SAND.
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| 03:28:00 1652 |
PIG IRON CAST IN A CASTING MACHINE. MINUTE PARTICLES OF GRAPHITE SPARKLE IN THE AIR DURING THE CASTING. LOADING PIG IRON FROM STOCKPILE FOR SHIPMENT
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