California Army National Guardsmen use a steel guide line to move a ramp and bay over Cache Creek at Cache Creek National Park in Yolo County, Calif., Aug 7, 2015. California Army National Guardsmen use a steel guide line to move a ramp and bay over Cache Creek at Cache Creek National Park in Yolo County, Calif., Aug 7, 2015. SHARE IMAGE: Download Image: Full Size (2.09955 MB) Tags: Photo Essays Photo By: VIRIN: 060100-D-KOA32-444.jpg Photo Gallery