San Francisco Public Library
Oil wells
Type
http://bibfra.me/vocab/lite/Topic
Label
Oil wells
Name
Oil wells
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2
Oil wells + Hydraulic fracturing
Oil wells + Hydraulic fracturing + Environmental aspects
Oil wells + Blowouts + Research
Oil wells + Fires and fire prevention
Focus of
1
Oil wells -- Central America -- Drama
Oil wells -- California, Southern
Sub focus of
2
Oil wells + Hydraulic fracturing
Oil wells + Fires and fire prevention -- Kuwait
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