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Mapping Southern California's High Voltage Lines From Big Creek to the LA Basin

Striking map of Southern California, published to illustrate the transmission lines of Southern California Edison.

The map the transmission lines from the Big Creek Power Stations, northeast of Fresno in the Sierra Nevada Mountains to the Los Angeles Basin.

The map key identifies:

  • 220,000 Volt Transmissioin Lines (thick red line)
  • Other Transmission Lines (thin red line)
  • District Office (red dot)
  • Substation (red circle)


The map is apparently quite rare.  We were unable to find another example.