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

https://claytonzwhp421.trexgame.net/3-things-to-know-before-you-encapsulate-crawlspace-and-hire-a-foundation-repair-pro

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.