Surveying can be a big part of civil engineering. Most of us have probably had to take a surveying class in college, but it isn't "Engineering" in a strict sense, and can be a separate field. A quick browse through the list of current SE sites doesn't reveal any obvious place to ask a surveying question.
I'm thinking about questions pertaining to:
However, I think we should draw the line at strictly geometrical or mathematical questions.
Should surveying be considered on-topic?
Edit: I realize now my question wasn't very clear. I want surveying to be on topic, but a purlry math based question should go to the math SE.