World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
World War II Operation Habbakuk, an ice boat experiment at Patricia Lake, Jasper National Park, Alberta.
