Aggregate Industries Quarry Honored by IAAP

Aggregate Industries’ McHenry Sand and Gravel site received the Illinois Association of Aggregate Producers (IAAP) Industry Leadership Award, the highest level recognition awarded by the IAAP. This award is given to member mine sites that have demonstrated leadership in the industry while promoting the image and wellbeing of their mine sites, employees and the industry as a whole.

Read More

Winona County Looking into Legality of Frac Sand Ban

Winona County, Minn., Attorney Karin Sonneman will advise the County Board later this spring on whether the board has the legal authority to ban new frac sand mines and processing facilities in rural parts of the county, according to the Winona Post. Her legal opinion could be the first step toward a vote on the issue sometime this year.

Read More

This Week’s Market Buzz

Oil prices rose after a top energy monitor said that prices might have bottomed on hopes that falling supply would help alleviate the global glut of crude. The International Energy Agency said that prices have been supported by easing supply around the globe but cautioned that the recent rally might not be sustainable as the demand outlook remains uncertain. Crude…

Read More

Riddle Of Cement’s Structure Finally Solved

After stone, concrete is the world’s most widely used construction material. Yet answers to some fundamental questions about the microscopic structure and behavior of this ubiquitous material have remained elusive. As you know, concrete forms through the solidification of a mixture of water, gravel, sand and cement powder. Is the resulting glue material (known as cement hydrate, CSH) a continuous…

Read More

Five Minutes With Joe Main

ASSISTANT SECRETARY OF LABOR FOR MINE SAFETY AND HEALTH JOSEPH A. MAIN TALKS IMPACT INSPECTIONS, LOW FATALITIES AND BOOTS ON THE GROUND. By Mark Kuhar Talk about MSHA’s monthly impact inspections. How are you targeting some of the operations you visit? We have criteria we use for selecting mines and this is something I put in place right after our…

Read More
1 3 4 5 6 7 14