Michael,
There where two indications that i should take the shot, one the bear folded his ears back & shifted his weight much like a horse will or dog will before they bite, two was the field of view at 100 yards outside to outside on the leo 3x9 at 9x is 15 feet. I figured at 90 it's 14' or so and from the center of the cross hairs to the edge must be around 7'. so when the dog came into view it must have been under 7' from the bear. I figured that was probably pushing the comfort zone of the bears space for tolerance from some 90 lb bitch.
I did pop a few rounds in to the rocks above the bear before it got to that point. but this old boy had been a garbage bear for a few years and not that worried about loud noise, for that matter I lived on a trap range and he had walked across the back drop during a trap shoots before.
He was never a problem until he started to raid the dog food and lose more and more of his fear of humans or dogs. I did tell me buddy after I finished skinning and butchering the bear, Next time I shoot the dog!
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Keep your hooks sharp and you powder dry.
Wildoats
"The expactations of life depend upon diligence; the mechanic that would perfect his work must first sharpen his tools."
Confucius