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Oil and Gas County Code Master List

With Data for 2018   |  Release Date:  March 25, 2019   |  Next Release Date: March 2020

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The County Code Master List (CCML) provides the EIA standard county name spellings and codes for use in the Form EIA-23L, Annual Report of Domestic Oil and Natural Gas Reserves.

Oil and Gas County Code Master List 2018

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