AllExperts.com – Robert Cummings, P.E.

All answers from AllExperts.com by my colleague Robert Cummings, P.E. of Saguaro GeoServices, LLC of Tucson. He’s an expert in geological engineering, rock blasting and geotechnical engineering. I was impressed to see he has over 300 questions answered.

Visit AllExperts.com – Robert Cummings, P.E.