cold war tunnel (marine headlands, san francisco), adit, architecture, army, backlight, battery 129, bunker tunnel, cold war, hawk hill, jump, jumpshot, marine headlands, military tunnel, sf-87c, shadows, sharon, woman cold war tunnel (marine headlands, san francisco), adit, architecture, army, backlight, battery 129, bunker tunnel, cold war, hawk hill, jump, jumpshot, marine headlands, military tunnel, sf-87c, shadows, sharon, woman

cold war tunnel (marine headlands, san francisco)

Cold War Tunnel (Hawk Hill, Marine Headlands, San Francisco)

Conzelman Rd, Mill Valley, CA 94941, USA

Unclassified photos taken in San Francisco Bay Area.­