Make exact measurements and determine property boundaries. Provide data relevant to the shape, contour, gravitation, location, elevation, or dimension of land or land features on or near the earth's surface for engineering, mapmaking, mining, land evaluation, construction, and other purposes.
Note: The mid-wage is the median wage. The average wage is the mean wage. The entry-level wage is equal to the average of the lower third of reported wages for the occupation. The wage range consists of the 10th and 90th percentiles; 80% of workers earn between this wage range, 10% earn less while 10% earn more.