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"MAP-21" "Moving Ahead for Progress in the 21st Century" 15 FMSHRC 1821 1824 2011 WL 6880702 2011-700 2012 Construction Outlook ReportNational Association of Home Builders/Wells Fargo Housing Market Index (HMI)nonresidential construction 2012 Construction Outlook ReportTerex 2012 National Stone Sand & Gravel ASsociation (NSSGA) Annual Convention 30 CFR 50.2(h) 30 FMSHRC 122 30 U.S.C. 813(k) 4FMSHRC 1829 608-LIT4 diesel engineLoaders 750K crawler dozer ACS Valves MD rotary feeder valvesCase Construction Equipment administrative law judge decisions AGG 1 AGG1 Aggregates Forum & Expo aggregate quality control Aggregates Manager ALJ LewisJohn Deere ALJ McCarthy ALJ Zielinski ALJs Allyn L. Archer Aluminum Company of America (Alcoa) American Energy & Infrastrcture Jobs Act Amtrak Anchor Stone Co. Andy and Jo Stephens AR steels Arctic National Wildlife Refuge Arcure Blaxtair embeded industrail obstacle detection system Arden Lemke Ash Grove Cement Co. 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