Operating Gallery
JOHN MARTIN DAM, Colo. – A contractor’s drilling team and rig operate inside the operating gallery of the dam, July 10, 2022. The drill rig is near the emergency and service gate sluices. Photo by Chris Carroll.

Download Image: Full Size (2.6 MB)
Photo by: Chris Carroll, USACE-Albuquerque District |  VIRIN: 220710-A-A1412-040.JPG