We were thrilled when the preeminent Russian Journal Cement invited David to publish a paper on concrete petrography. Troubleshooting Concrete Construction with Petrography and... Read More
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DRP, a Twining Company 2800 Wilderness Place, Suite A Boulder, CO 80301 Phone: 303.938.0166 Fax: 303.938.0167 Email: drp@drpcinc.com