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 2021
Natural Gas
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Oil and Gas County Code Master List
With Data for 2021 | Release Date:
February 25, 2022 | Next Release Date:
February 2023
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