Are markers always placed on top of the pipeline?

Markers indicate the general location of a pipeline. They cannot be relied upon to indicate the exact position of the pipeline they mark. Also, the pipeline may not follow a straight course between markers.

While markers are helpful in locating pipelines, they are limited in the information they provide. They do not provide information, for example, on the depth or number of pipelines in the vicinity.

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1. How can you tell where a pipeline is located?
2. Can I move a pipeline marker sign?
3. Are markers always placed on top of the pipeline?
4. How can you recognize a pipeline leak?
5. What should I do if you suspect a leak: