ROAD BUILDING IN THE UNITED STATES
National Archives
Education
Clips are not offered for this film: no licence or public-domain mark is recorded for it.
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About
ROAD BUILDING IN THE UNITED STATES Produced: 1925
Description Various types of roads are constructed. Illustrates advantages of each type. Reel 1, top-soil roads are graded, surfaced, and dragged. Gravel is dug, crushed, screened, and spread on roadbeds. Hot asphalt is spread over crushed stone to make a penetration macadam road. Reel 2, concrete is mixed and spread over a roadbed. Asphalt concrete is mixed, spread, and rolled.
https://catalog.archives.gov/id/7222
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- Internet Archive, in FedFlix: US government films
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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