>>4819005 (pb)
This road went over the hills to the west. Steep grades, switchbacks, etc. Spring Mt Rd/St Helena Road. At the time I thought the tunnels were related to water works but look at earthview I see no reservoirs up there.
>>4819005 (pb)
This road went over the hills to the west. Steep grades, switchbacks, etc. Spring Mt Rd/St Helena Road. At the time I thought the tunnels were related to water works but look at earthview I see no reservoirs up there.
This area.