Keywords: US Natural Gas Production 2012.jpg en Graph of US marketed natural gas production 1900-2012 2013-04-02 12 00 43 http //www eia gov/dnav/ng/hist/n9050us2a htm US Energy Information Administration PD-USGov Uploaded with UploadWizard Check categories 2013 October 29 Petroleum_in_the_United_States graph |