4. Find out what’s below before you dig. Gas pipelines and electric lines can be located anywhere – under streets, sidewalks or even your yard. If you plan to plant trees or install that new mailbox or fence, it’s important to know if there are any such lines that run underground in the area you are planning to dig. Doing so will help prevent damage, service interruption or worse. Learn more at sdge.com/811 or contact 8-1-1. #sdge #SDGEassist