Yours

Educational200216 min320×240

Forest Service Road Maintenance Series: Maintaining the Ditch and Surface Cross Drains

USDA Forest Service

Education

At the Internet Archive

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About

USDA Forest Service

Video VH-416E

Forest Service Road Maintenance Series: Maintaining the Ditch and Surface Cross Drains

Well-maintained ditches and surface cross drains are crucial systems for protecting the road and the environment. Video provides instructions for correctly constructing and maintaining ditches, culverts and surface cross drains, including how to heel and pull ditches and how to maintain rolling drain dips, interceptor dips, earthen water bars, and open-top drainage devices.

Human-made No record of this work says a model made it. What this means.

Archive
Internet Archive, in FedFlix: US government films
Licence or status
CC0 1.0, as the Internet Archive states it.
Credit
USDA Forest Service
Language
English
Who can watch
The archive gives no rating. Invisible Network shows it to Tweens profiles and older, judged from its collection and subjects. How films are placed