Standard Occupational Classification (SOC) 1991
- I - Occupations Unique to Primary Industry
- I1 - Occupations Unique to Forestry Operations, Mining, Oil and Gas Extraction, and Fishing, Excluding Labourers
- I11 - Supervisors, Logging and Forestry
- I111 - Supervisors, Logging and Forestry
- I12 - Supervisors, Mining, Oil and Gas
- I121 - Supervisors, Mining and Quarrying
- I122 - Supervisors, Oil and Gas Drilling and Service
- I13 - Underground Miners, Oil and Gas Drillers and Related Workers
- I131 - Underground Production and Development Miners
- I132 - Oil and Gas Well Drillers, Servicers, Testers and Related Workers
- I14 - Mine Service Workers and Operators in Oil and Gas Drilling
- I141 - Underground Mine Service and Support Workers
- I142 - Oil and Gas Well Drilling Workers and Services Operators
- I15 - Logging Machinery Operators
- I151 - Logging Machinery Operators
- I16 - Logging and Forestry Workers
- I161 - Chain-saw and Skidder Operators
- I162 - Silviculture and Forestry Workers
- I17 - Fishing Vessel Masters and Skippers and Fishermen/women
- I171 - Fishing Masters and Officers
- I172 - Fishing Vessel Skippers and Fishermen/women
- I18 - Other Fishing and Trapping Occupations
- I181 - Fishing Vessel Deckhands
- I182 - Trappers and Hunters
- I - Occupations Unique to Primary Industry
- I1 - Occupations Unique to Forestry Operations, Mining, Oil and Gas Extraction, and Fishing, Excluding Labourers
- I11 - Supervisors, Logging and Forestry
- I111 - Supervisors, Logging and Forestry
- I12 - Supervisors, Mining, Oil and Gas
- I121 - Supervisors, Mining and Quarrying
- I122 - Supervisors, Oil and Gas Drilling and Service
- I13 - Underground Miners, Oil and Gas Drillers and Related Workers
- I131 - Underground Production and Development Miners
- I132 - Oil and Gas Well Drillers, Servicers, Testers and Related Workers
- I14 - Mine Service Workers and Operators in Oil and Gas Drilling
- I141 - Underground Mine Service and Support Workers
- I142 - Oil and Gas Well Drilling Workers and Services Operators
- I15 - Logging Machinery Operators
- I151 - Logging Machinery Operators
- I16 - Logging and Forestry Workers
- I161 - Chain-saw and Skidder Operators
- I162 - Silviculture and Forestry Workers
- I17 - Fishing Vessel Masters and Skippers and Fishermen/women
- I171 - Fishing Masters and Officers
- I172 - Fishing Vessel Skippers and Fishermen/women
- I18 - Other Fishing and Trapping Occupations
- I181 - Fishing Vessel Deckhands
- I182 - Trappers and Hunters
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