All are great choices for multiple purposes. I lean toward the Gerber LMF as a really stout knife is important to me to handle tougher jobs. None of them should be used for digging or as a pry bar unless absolutely necessary as damage is likey to result. I know of two sharpened prybars: Cold Steel SRK or a British Army jungle knife (and it's really heavy).

and the worn out cliche' is "a survival knife is the one that you have on you". One night on the highway, mine was a 3" Kershaw Blackout to remove debris and damage from our car after hitting 6' of truck tire rubber late at night. I would rather have had my 7" Kbar in D2 for this little job. It was at home.