The box's are about 5' long and have 3 lengths of core/ box. I see the core come in under the helicopter every morning, it is usually the first sling job after the crew change to the drills. In the camp I have been working in, the management does not like non-company people down into the core rack area, while other camps it is open house. We provide service to the camp next door and it is very different. I found out the 40% chromite looks like black rock. I could be wrong on that average, I will email one of the pilots in camp and ask. Oh, and the bugs are bad this year...very bad