Performs surveying and mapping duties, usually under the direction of an engineer, surveyor, cartographer, or photogrammetrist to obtain data used for construction, mapmaking, boundary location, mining, or other purposes. May calculate mapmaking information and create maps from source data, such as surveying notes, aerial photography, satellite data, or other maps to show topographical features, political boundaries, and other features. May verify accuracy and completeness of maps.
This career is part of the Architecture and Construction cluster Design/Pre-Construction pathway.
A person in this career:
- Checks all layers of maps to ensure accuracy, identifying and marking errors and making corrections.
- Designs or develops information databases that include geographic or topographic data.
- Monitors mapping work or the updating of maps to ensure accuracy, the inclusion of new or changed information, or compliance with rules and regulations.
- Produces or updates overlay maps to show information boundaries, water locations, or topographic features on various base maps or at different scales.
- Determines scales, line sizes, or colors to be used for hard copies of computerized maps, using plotters.
- Identifies and compiles database information to create maps in response to requests.
- Analyzes aerial photographs to detect and interpret significant military, industrial, resource, or topographical data.
- Enters Global Positioning System (GPS) data, legal deeds, field notes, or land survey reports into geographic information system (GIS) workstations so that information can be transformed into graphic land descriptions, such as maps or drawings.
- Researches and combines existing property information to describe property boundaries in relation to adjacent properties, taking into account parcel splits, combinations, or land boundary adjustments.
- Compares topographical features or contour lines with images from aerial photographs, old maps, or other reference materials to verify the accuracy of their identification.