Aggregates Manager Digital Magazine
Issue link: http://read.dmtmag.com/i/403276
CONTENTS On Our Cover: Rogers Group, Inc.'s Whites Creek quarry marks a milestone. Cover photo courtesy of Rogers Group, Inc. 7 Volvo's new L110H and L120H Tier 4 Final loaders focus on fuel efficiency and performance. 30 Fixing a problem with belt carryback may be as simple as adjusting the tension on your cleaners. COLUMNS & DEPARTMENTS FEATURE ARTICLES CRUSHING SUPPLEMENT 21 Crushing for Particle Shape Whether aggregate is destined for concrete or asphalt, cubical stone is con- sidered ideal. Our experts share how they achieve the optimal shape. 27 Crushers: by the Numbers When it comes to units fi nanced, fi nd out which new and used units are the best sellers. 28 Stationary and portable crushers for the aggregates market. NOVEMBER 2014 VOLUME 19, NUMBER 11 OPERATIONS ILLUSTRATED 14 Tennessee Treasure Whites Creek Quarry recently celebrated a milestone — 10 years of zero injuries. 30 Conveyor Maintenance: Safety First Put your workers fi rst when performing belt maintenance. 37 Like a Well-Oiled Machine When it comes to protecting your equipment investment, oils and lubricants play a critical role. 38 Stuck in the Middle? Don't underestimate the importance of middle management; it puts ideas into action. 3 EDITORIAL Hitting a safety milestone. 4 STATE AND PROVINCE NEWS A roundup of the latest news in North America. 7 ROLLOUTS Cat's new 824K wheel dozer, and other new equipment for the aggregate market. 13 DATA MINING The latest fi nancial analysis of issues impacting in the industry. 40 ROCK LAW The Federal Mine Safety and Health Review Commission upholds MSHA's use of non-fi nal violations in Pattern of Violation determinations. 42 ADVERTISER INDEX See who's who and where to fi nd their products. 43 CLASSIFIED ADS Aggregate industry classifi eds. 44 CARVED IN STONE Route 66 winds through the ghost town of Calico, Calif., where silver and borax mining led to its boom and bust.