National Occupational Classification (NOC) 2016 Version 1.3
- 8 - Natural resources, agriculture and related production occupations
- 82 - Supervisors and technical occupations in natural resources, agriculture and related production
- 823 - Underground miners, oil and gas drillers and related occupations
- 8231 - Underground production and development miners
- 8232 - Oil and gas well drillers, servicers, testers and related workers
- Date modified: