UNCG Photo by David Wilson - 3/30/06 - Dr. Knapp thumbs through part of his collection of core samples from ponderosa pines. He collects tree ring data from ponderosa pine and western juniper trees so he can help unlock the mystery of past climatic change.
The University of North Carolina at Greensboro
Location 1400 Spring Garden Street Greensboro, NC 27412
Mailing Address PO Box 26170, Greensboro, NC 27402-6170