The National Geographic Magazine, Volume 215, Issues 1-3National Geographic Society., 2008 - Geography |
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Results 1-3 of 9
Page 43
... bitumen - laced sand from the ground with electric shovels five stories high , then washes the bitumen off the sand with hot water and sometimes caustic soda . Next to the mine , flames flare from the stacks of an " upgrader , " which ...
... bitumen - laced sand from the ground with electric shovels five stories high , then washes the bitumen off the sand with hot water and sometimes caustic soda . Next to the mine , flames flare from the stacks of an " upgrader , " which ...
Page 47
... bitumen from surface mines . Injecting steam into wells and upgrading the bitumen consumes vast amounts of water and natural gas . Oil sands production uses enough natural gas daily to heat more than 3 million homes . To upgrading ...
... bitumen from surface mines . Injecting steam into wells and upgrading the bitumen consumes vast amounts of water and natural gas . Oil sands production uses enough natural gas daily to heat more than 3 million homes . To upgrading ...
Page 54
... bitumen through a cluster of wells . Environmentalists and wildlife biologists worry that the widening fragmentation of the Ronnie Campbell hauls whitefish from Lake Athabasca , downriver from Fort McMurray , to use as feed for his sled ...
... bitumen through a cluster of wells . Environmentalists and wildlife biologists worry that the widening fragmentation of the Ronnie Campbell hauls whitefish from Lake Athabasca , downriver from Fort McMurray , to use as feed for his sled ...
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