Author
P&Q Profile: Rohr LLC’s Jochen Rohr
Jochen Rohr shares his unique perspective on the trends, innovations and priorities shaping today’s dredging landscape. Keep Reading
Perspectives: Lower rates could spark a rebound, but risks remain
Industry leaders discuss how factors such as interest rates, data centers and nonresidential construction can shape 2026. Keep Reading
The latest in industry equipment and technology
See new equipment and technology options available from SEW-Eurodrive, Thunder Creek Equipment, Petro-Canada Lubricants and more. Keep Reading
Explosives engineer details how blasting ‘sets the tone’
In a P&Q-exclusive Q&A, Anthony Konya discusses blast design principles, costly missteps and the tech reshaping drilling and blasting workflows. Keep Reading
Quarry Faces: January 2026
This month’s photo gallery includes shots from the PACA Ambassadors of the Industry Hall of Fame, OAIMA Annual Meeting and SCAA Annual Meeting. Keep Reading
Screening equipment to enhance operations
Presenting newer offerings from General Kinematics, Polydeck, Conn-Weld Industries and others. Keep Reading
Perspectives: Strength beneath the surface
Producers and manufacturers point to backlogs, stabilizing markets and megatrends as setting the stage for a cautious yet confident 2026. Keep Reading
About the Pit & Quarry University Handbook
The Pit & Quarry University Handbook is designed to provide an overview of the aggregate mining process and the business of running a crushed stone quarry or sand and gravel operation. From the dawn of the original P&Q Handbook in 1907 to its digitization in the form of P&Q University from 1998 to 2000, Pit & Quarry continues its commitment to informing aggregate professionals at all stages and across all mediums. History of the Pit & Quarry University Handbook The first Handbook was published in 1907 as a textbook-style resource guide – a full nine years before the launch of Pit & Quarry as a magazine. Updated editions of the Pit & Quarry Handbook continued to roll out in the following decades, with copies of the publication making their way into the hands of both seasoned aggregate professionals, as well as universities with mine engineering curriculum. It has since become a source for basic industry information that has helped industry managers, new hires, students and others learn about the business… Keep Reading
Industry calendar: ConExpo-Con/Agg, Hillhead among top 2026 events
ConExpo-Con/Agg and Hillhead return as key fixtures this year, with plenty of other meetings and trade shows taking place throughout 2026. Keep Reading