Image: 1911 Key System map
Size of this preview: 800 × 293 pixels. Other resolutions: 320 × 117 pixels | 2,497 × 913 pixels.
Original image (2,497 × 913 pixels, file size: 566 KB, MIME type: image/jpeg)
Description: 1911 map of the Key System commuter trains and streetcars
Title: 1911 Key System map
Credit: Secret San Francisco: The Key System
Author: Key System
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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