The 3 things I learned when I had my foundation repaired that shocked me: city maps of utilities can be wrong

https://knoxxirg103.wordcanopy.com/posts/before-you-commit-3-things-to-know-about-foundation-repair-and-basement-waterproofing-2

The 3 things I learned when I had my foundation repaired that shocked me: city maps of utilities can be wrong, private lines hide everywhere, and 811 marking is non-negotiable.