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

https://www.tumblr.com/voidinvaderarchivist/826682630226542592/before-hiring-3-things-to-know-about-crawl-space

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.