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Oil and Gas Field Administrative Boundaries

Published by California Department of Conservation | State of California | Metadata Last Checked: December 28, 2025 | Last Modified: 2019-05-14T23:14:04.469Z
Administrative boundaries for oil and gas fields in California.CalGEM is the Geologic Energy Management Division of the California Department of Conservation, formerly the Division of Oil, Gas, and Geothermal Resources (as of January 1, 2020).Update Frequency: As Needed

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