http://www. bls.gov/oes/current/naics4_212100.htm#00-0000 Construction and Extraction Occupations Production Occupations totaled 87,520 Building and Grounds Cleaning and Maintenance Occupations $53,000 annually $53,000 annually Bureau of Labor Statistics (1) http://www. bls.gov/oes/current/naics4_212100.htm#00-0000 Healthcare Practitioners and Technical Occupations http://www. bls.gov/oes/current/naics4_212100.htm#00-0000 http://www. bls.gov/oes/current/naics4_212100.htm#00-0000 http://www. bls.gov/oes/current/naics4_212100.htm#00-0000 Installation, Maintenance, and Repair Occupations 87,500 jobs by the coal mining industry http://www. bls.gov/oes/current/naics4_212100.htm#00-0000 Business and Financial Operations Occupations Sales and Related Occupations Protective Service Occupations U.S. coal mining Office and Administrative Support Occupations http://www.bls.gov/oes/current/naics4_2 ... tm#00-0000 Life, Physical, and Social Science Occupations Arts, Design, Entertainment, Sports, and Media Occupations Architecture and Engineering Occupations by the coal mining industry coal mining business last year Management Occupations 87,500 jobs Computer and Mathematical Occupations All Occupations Transportation and Material Moving Occupations