Monthly production trends in the top 5 oil-producing states in the United States. Source <a rel="nofollow" class="external text" href="http://www.eia.gov/dnav/pet/pet_crd_crpdn_adc_mbblpd_m.htm">EIA</a>
<a href="//commons.wikimedia.org/wiki/User:Delphi234" title="User:Delphi234">Delphi234</a>
2016-08-16
<span class="int-own-work" lang="en">Own work</span>