Aggregates Manager

April 2013 Cover_AGRM0413.indd 1 www.AggMan.com 10 25 28 Fuel trends and the Highway Trust Fund USGS names top aggregate producers Seven ways to maintain your screw washer 3/24/13 11:30 AM

• Cover
• OPERATIONS ILLUSTRATED: Best Practices for Stockpile Management: Start with a good sample.
• FEATURE ARTICLES: Fuel Use Trends and the highway Trust Fund: With looming insolvency, a vehicle mileage-based user fee is viable, but challenging option for creating revenue.
• FEATURE ARTICLE: The Nations Top 25 Construction Aggregates Producers: 2011 marked the first increase in production since 2006, with slight price increases as well.
• FEATURE ARTICLE: Maintaining Fine Material Screw Washers: Follow these operating and maintenance recommendations to keep your fine material screw washer operating efficiently.
• EDITORIAL: An explosive situation.
• STATE AND PROVIDENCE NEWS: A roundup of the latest news in North America.
• SAFETY WATCH: Use fall protection when working in elevated spaces.
• ROLLOUTS: Flanders Ardvarc 4.0 fully automated drill rig and other new equipment for the aggregate market.
• DATA MINING: The latest financial analysis of issues impacting in the industry.
• ROCK LAW: A litigation hold requires parties to preserve evidence relevant to a legal dispute.
• CLASSIFIED ADS: Aggregate industry classifieds.
• ADVERTISER INDEX: See whos who and where to find their products.
• CARVED IN STONE: Pearlite can be found in everything from lightweight aggregate to futuristic insulation.