Detailed map of Northern California, published by the State Oil & Gas Supervisor.
The map extends from Monterey and Merced County to Contra Costa and Solano Counties.
The map details Wildcat Wells in the region, plus the pipe lines of 8 companies:
- Associated Oil Co.
- Standard Oil Co.
- General Pet. Co.
- Petroleum Midway
- Shell Oil of Calif
- Union Oil Co.
- Pan American Pet. Co.
- Producers Trans. Co.
The map shows oil fields, fields discovered between 1914 and 1924, Wildcat Wells, Discovery Wells and index numbers.
The map is quite rare. We have not been able to locate any other examples.