850.684-014 HORIZONTAL-EARTH-BORING-MACHINE-OPERATOR HELPER (construction) alternate titles:. 850.683-046 UTILITY-TRACTOR OPERATOR (construction). 850.683-042 TOWER-EXCAVATOR OPERATOR (construction) alternate titles: cable-tower operator guyline. 850.683-038 SCRAPER OPERATOR (construction). 850.683-034 ROCK-DRILL OPERATOR I (construction). 850.683-030 POWER-SHOVEL OPERATOR (any industry). 850.683-026 MUCKING-MACHINE OPERATOR (construction) alternate titles: mucker operator. 
850.683-022 FORM-GRADER OPERATOR (construction) alternate titles: concrete-paving-form grader.850.683-018 DRAGLINE OPERATOR (any industry).850.683-010 BULLDOZER OPERATOR I (any industry) alternate titles: grader operator.850.682-010 SHIELD RUNNER (construction) alternate titles: erector operator hydraulic operator.850.663-026 STRIPPING-SHOVEL OPERATOR (mine & quarry).850.663-022 MOTOR-GRADER OPERATOR (construction) alternate titles: blade-grader operator.850.663-018 LOCK TENDER II (construction).850.663-014 ELEVATING-GRADER OPERATOR (construction) alternate titles: plow holder plow shaker.
850.663-010 DREDGE OPERATOR (construction mine & quarry) alternate titles: dredge pumper. 850.662-014 ROCK-DRILL OPERATOR II (construction) alternate titles: drifter. 850.662-010 HORIZONTAL-EARTH-BORING-MACHINE OPERATOR (construction) alternate titles: boring-machine. 850.387-010 INSPECTOR OF DREDGING (water trans.). 850.137-018 SUPERVISOR, RIPRAP PLACING (construction). 850.137-014 SUPERVISOR, LABOR GANG (construction). 850.137-010 SUPERVISOR, CORE DRILLING (construction) alternate titles: test-boring crew chief. 850.133-010 SUPERVISOR, RECLAMATION (mine & quarry). Occupations in extraction of minerals are included in Division 93. Offshore marine channels and related activities, such as tending air locks and operating Underground excavations, including mines dredging irrigation ditches, canals, and inland or This group includes occupations concerned with removing earth materials to and from open or 850 EXCAVATING, GRADING, AND RELATED OCCUPATIONS
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