Changes

Drilling

103 bytes added, 05:54, 5 March 2013

no edit summary

[[File:Petroleum_hq.gif|400px|thumb|right|Petroleum HQ]]

===Oil Well===

:''Main article: [[Oil Well]]''

===Petroleum HQ===

:''Main article: [[Petroleum HQ]]''

===Oil Refinery===

:''Main article: [[Oil Refinery]]''

[[Category:City Specializations]]

3,119

edits