Under limited supervision normally receives little instruction on routine work general instructions on new assignments. Conducts surveys to ascertain the locations of natural features and human‑made structures on the earths surface underground and underwater using electronic distance‑measuring equipment and other surveying instruments. Operates and manages land‑information computer systems performs tasks such as storing data making inquiries and producing plots and reports. Reviews information from survey teams regarding measurement of distances directions angles between points and elevation of points lines and contours on above and below the earths surface. Researches legal records looks for evidence of previous boundaries and analyzes the data to determine the location of boundary lines. Records the results of surveys verifies the accuracy of data and prepares plots maps and reports. An experienced professional with full understanding of area of specia...