Image: Ridge Route construction reinforcement 1919
Size of this preview: 800 × 550 pixels. Other resolutions: 320 × 220 pixels | 3,470 × 2,384 pixels.
Original image (3,470 × 2,384 pixels, file size: 1.66 MB, MIME type: image/jpeg)
Description: On August 7, 1919, workers are placing reinforcing steel rods in concrete pavement during construction of the Ridge Route.
Title: Ridge Route construction reinforcement 1919
Credit: http://www.dot.ca.gov/dist07/Publications/Inside7/story.php?id=296
Author: Not given (California State Department of Highways?)
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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