BUILDING FIRE LINES AND MOTOR WAYS WITH MACHINERY--CALIFORNIA
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BUILDING FIRE LINES AND MOTOR WAYS WITH MACHINERY--CALIFORNIA Produced: 1932
Description Tractors and bulldozers are used to clear brush and to grade roads and fire lines in the Sierra National Forest of California.
https://catalog.archives.gov/id/7369
Human-made No record of this work says a model made it. What this means.
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- Internet Archive, in FedFlix: US government films
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- The Internet Archive states none for this item.
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- National Archives
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- The archive gives no rating. Invisible Network shows it to Tweens profiles and older, judged from its collection and subjects. How films are placed