Shale-gas Clipart:


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Petroleum drilling in land

by vok
2015-05-01

Petroleum drilling in land 2118

 
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3
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flaming sink

by Last-Dino
2013-09-06

flaming sink 1705

 
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1
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What is fracking ?

by mauriceg
2012-05-25

What is fracking ? 2450

 
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1
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Frackingonecointwosides

by mauriceg
2012-05-19

Frackingonecointwosides 1937

 
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0
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No fracking

by dominiquechappard
2012-04-30

No fracking 3602

 
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1
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No fracking

by dominiquechappard
2012-04-30

No fracking 3784

 
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1
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No fracking

by dominiquechappard
2012-04-29

No fracking 6029

 
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1
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No fracking

by dominiquechappard
2012-04-23

No fracking 4554

 
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1
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Warning shale gas

by dominiquechappard
2012-04-18

Warning shale gas 4091

 
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1
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No shale gas

by dominiquechappard
2012-04-14

No shale gas 3424

 
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1
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No shale gas

by dominiquechappard
2012-04-14

No shale gas 4180

 
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1
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No shale gas

by dominiquechappard
2012-04-14

No shale gas 3520

 
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3
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Derrick

by dominiquechappard
2012-04-14

Derrick 3331

 
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3