How to Get 300 Pounds of Meat Out of the Wild?

How do you get 300 pounds of meat out of the wilderness like and how much time do you have? It's multiple trips so say, I remember I killed a bull by myself. It was about 10 miles back. So it was maybe 250 pounds of meat and then I might have 50 pounds of gear. But if you're 10 miles back, you have your, you went back in there 10 miles.