Pit & Quarry, May 2010
pg 20 Features Columnists 20 Operations River of opportunity The mining and processing of expanded clay lightweight aggregate is very different from a typical crushed stone or sand andgravel operation BY DON EBERLY AND LAURA DROTLEFF 30 Pit Stop A roundup of maintenance equipment for the aggregates industry 40 Safety Tired of tired yet BY CARL R METZGAR CSP 42 Law The right to contest BY MICHAEL T HEENAN ESQ 48 Looking Back Archive photos Classifieds Ad Index 45 Classified Advertising 47 Advertiser Index VOLUME 102 MAY 2010 NO 11 About the cover An articulated haul truck makes its way along a muddy haul road Photo by Darren Constantino Up Front 4 An Inside Look A few bad apples BY DARREN CONSTANTINO EDITOR IN CHIEF 6 Industry Snapshot Vital industry news and economics EDITED BY BRIAN RICHESSON 10 Equipment News The latest developments from equipment manufacturers 18 Special Report MegaProducers 2010 The U S Geological Surveys annual list of the nations largest crushed stone and sand and gravel producers and sites Equipment Focus Hauling 12 Equipment Technology Articulated and rigid frame haul trucks and related equipment from the top manufacturers pg 12 WEB EXCLUSIVE FEATURE Dredging efficiency Arkhola Sand Gravels dredging operation makes the most of new technology READ IT NOW AT WWW PITANDQUARRY COM WE www pitandquarry com May 2010 PIT QUARRY 1
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