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

https://www.mediafire.com/file/dc6dzbdtvkhkiwv/pdf-24836-437.pdf/file

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.