Surveyors use a variety of tools and calculations to make precise maps of rivers, properties, water lines, communities, etc. In fact, surveyors are some of society's most important and practical map makers. Their work can help solve disputes between neighbors over property lines. They also help determine what can be built where according to local zoning laws (regulations). A surveyor's work includes:

• determining distance, angles, and elevations using specialized instruments;
• checking construction plans and legal descriptions;
• finding underground structures with electronic pipe locators and other instruments;
• setting and marking stakes and other signals for engineers, electricians, road crew, and other professionals who will be working at the site;
• making calculations and assembling survey data.