Speaking of Echols, here's a post my friend Chuck Nelson put up on AR a couple years back about D'Arcy's desert sheep hunt.

He ended up killing it with his wife's M77 6.5-06 and 6X Leupold...

http://forums.accuratereloading.com/eve/forums?a=tpc&f=300106493&m=7611090641

“Perfection is Achieved Not When There Is Nothing More to Add, But When There Is Nothing Left to Take Away” Antoine de Saint-Exupery