Carrying with tumplines (IMAGE) University of Colorado at Boulder Caption James Wilson, left, and Rodger Kram, right, carry a ponderosa pine log weighing more than 130 pounds in Chautauqua Park in Boulder, Colorado. Credit Patrick Campbell/CU Boulder Usage Restrictions Use with credit only License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.