Now that is the first good idea I have heard. A buddy of mine said that transported as Dank420 said but packed it in saw dust. I don't know it is just one of those questions that pops in your head when it has been 420Time..
In the old west they had what they called an icebox. At that time it was just a box that you put a block of ice in to keep things cool. But without electricity how did they get the ice? This is a good question for TheOldGuy.....