Wikimedi'Òc

Twin Peaks Tunnel.jpg - File Upload Bot (Magnus Manske)

MUNI 1149 East Portal Feb 1967xRP - Flickr - drewj1946.jpg - BotMultichillT

1913 plans for Eureka and Van Ness subway stations.jpg - Pi1415926535

Original Twin Peaks Tunnel east portal, January 1959.jpg - Pi.1415926535

Storrie Street, San Francisco, July 2018.JPG - Pi.1415926535

Twin Peaks photo illustration, Mar 1912 (SF Call).png - Mliu92

Merchants Association speakers, May 1909 (SF Call).png - Mliu92

Arthur Scholz Twin Peaks Tunnel rendering, July 1910 (SF Call).png - Mliu92

Twin Peaks Tunnel profile, Mar 1912 (SF Call) +curves.png - Mliu92

Twin Peaks Tunnel and Observatory, Aug 1910 (SF Call) +curves.png - Mliu92

Twin Peaks Tunnel (double tube flat top section, east end)2.svg - Mliu92

Twin Peaks Tunnel (soft ground, west end).svg - Mliu92

B&EN v16 no 24 fig02 pg05 (1916-06-24) General Plan and Profile.jpg - Mliu92

B&EN v16 no 24 fig01 pg05 (1916-06-24) General Plan and Profile.jpg - Mliu92

B&EN v16 no 24 fig03 pg06 (1916-06-24) Double Tube - Flat Top Section.jpg - Mliu92

B&EN v16 no 24 fig04 pg06 (1916-06-24) Tunnel Section in Soft Ground.jpg - Mliu92

Arnold (1913) pg 233 - Contour study of tunnel alignment.jpg - Mliu92

Arnold (1913) pg 232 - Eureka Valley from the slopes above Corbett Road.jpg - Mliu92

Arnold (1913) pg 234 - Perspective sketch of Eureka Valley.jpg - Mliu92

Arnold (1913) pg 237 - Perspective view of Laguna Honda station.jpg - SteinsplitterBot

Arnold (1913) pg 254 - Eureka Valley station, high level project.jpg - SteinsplitterBot

Arnold (1913) pg 257 - Laguna Honda station, second stage.jpg - Mliu92

Arnold (1913) pg 256 - Laguna Honda station, first stage.jpg - SteinsplitterBot

Arnold (1913) pg 259 - Typical sections of rapid transit tunnel.jpg - Mliu92

Arnold (1913) pg 259 - Typical sections of rapid transit tunnel (cropped).jpg - Mliu92

Arnold (1913) pg 259 - Typical sections of rapid transit tunnel (cropped Fig 65).jpg - Mliu92

Arnold (1913) pg 257 - Laguna Honda station, second stage (Fig 62).jpg - Mliu92

Arnold (1913) pg 257 - Laguna Honda station, second stage (Fig 63).jpg - Mliu92

Arnold (1913) pg 233 - Contour study of tunnel alignment (cropped).jpg - Mliu92

Arnold (1913) pg 232 - Eureka Valley from the slopes above Corbett Road (cropped).jpg - Mliu92

Arnold (1913) pg 234 - Perspective sketch of Eureka Valley (cropped).jpg - Mliu92

Arnold (1913) pg 256 - Laguna Honda station, first stage (cropped).jpg - Mliu92

Arnold (1913) pg 254 - Eureka Valley station, high level project (cropped).jpg - Mliu92

Arnold (1913) pg 237 - Perspective view of Laguna Honda station (cropped).jpg - Mliu92

Six Alternative Routes to the Sunset District (1924) (5190406390).jpg - Mliu92

Tunnel at Forest Hill station, June 2006.jpg - Pi.1415926535

Material for Eureka Curve construction, December 2020.JPG - Pi.1415926535