Like the Bear, In over 40 years I have never split the spine. We just don't do that here in Alaska. We take off the hind qtrs, the front qtrs, then we cut off the head. We debone the neck. Then we cut the ribs off about 6 to 8 inches from the spine. Once the ribs are out of the way we trim the back straps, and tenderloins off the spine and pelvis. We leave the legs on till we get them loaded, makes them easier to handle. When we leave all that is left is the organs, intestines, stripped neck, spine, pelvis, legs, and head. We take the hide to make rawhide, or to send in to have it turned into leather. Makes a beautiful yellow leather. Not good for jackets or pants, stretches too much. Makes good vest, and trim for all kinds of things.