Remote-sensing analysts should have training in geography and earth science and good visual skills. Surveyor Everyone has seen survey crews along the highways. Surveyors provide accurate maps and ensure that buildings, roads, sewer and water systems, bridges, and other construction features are located precisely where they should be. They determine the boundaries of building sites, roadways, and the surrounding land. They work outdoors in terrain that is often rough and dangerous.
Many surveyors have college degrees, particularly the crew chief.
They usually have to pass a professional exam.