We've got Timbers, Easterns,Pygmys,Copperheads,Cottonmouths and even a few Coral snakes.
I've killed numerous Copperheads laying in my driveway, and several Cottonmouths in the pond by my house.
I once sat beside a 4' Timber Rattler when I was squirrel hunting. I heard a "buzzzzzzzzz"....and looked at it in a coiled position,head up, about ready to strike. I jumped...and landed 22 feet from where I was sitting.
That would have a been a world class jump that would have won a gold medal in the olympics...and yes...my hunting buddy witnessed the whole thing.
Its amazing what one can do with a bit of adrenaline pumping through ones veins...