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(1008 KB)512Kb MPEG4
(5.63 MB)Cinepack
Before occupational health and safety, this is how excavation was done. A steam shovel is digging a tunnel for the SF Muni, c. 1917.
This movie is part of the collection: Shaping San Francisco
Production Company: Prelinger Archive
Sponsor: Shaping San Francisco
Audio/Visual: silent, b/w
Keywords: steam shovel; digging tunnels; excavation
Contact Information: www.shapingsf.org
Creative Commons license: Attribution-NonCommercial-ShareAlike
![[2.0 out of 5 stars] [2.0 out of 5 stars]](/images/star.png)




Reviewer: Spuzz - ![[2.0 out of 5 stars] [2.0 out of 5 stars]](/images/star.png)



- May 18, 2008
Subject: Well yeah...
Steam shovel. Not really much. Doesnt really go into worker safety. Just the shovel.