(DENVER, CO. 5/5/04) Larry Benson and his crew take soil samples at Chaco Canyon. After they screw this auger into the dirt, they pound it out of the receptacle into a plastic baggie which they take back to the lab for testing in Boulder. (ROCKY MOUNTA
JUDY WALGREN, (DENVER, CO. 5/5/04) Larry Benson and his crew take soil samples at Chaco Canyon. After they screw this auger into the dirt, they pound it out of the receptacle into a plastic baggie which they take back to the lab for testing in Boulder. (ROCKY MOUNTA, [5439117] . Denver Public Library Digital Collections, accessed 06/12/2025, https://digital.denverlibrary.org/nodes/view/686153