140218-A-CE999-004
Cooling panels rapidly freeze a ground test section (21 ft x 80 ft) in the FERF at ERDC-CRREL. Panels can push frost depth approximately one inch per day.

Download Image: Full Size (0.63 MB)
Tags: FERF, CRREL
Photo by: USACE ERDC Image |  VIRIN: 140218-A-CE999-004.JPG