Jeff, …
Excellent point about the Big Bang!
They sell also (or did) “audible” signalling flares.
Little 22 cal primer on a “pencil” launcher.
The warning on the label says “Do not point at humans or animals”. The “flare” fires out about 60-100 ft, than exploded in a big bang pretty close to the sound of a 12 gauge.
We used to be issued them as “Bear Bangs” in the Rockies.
One evening at camp, … we were just starting to figure out that one of the crew hadn’t come in yet and he shows up, … busted collar bone and all scratched up.
We ask what happened. He says he ran into a juvi grizzly just up the road. We go “oh no, … you got mauled”. … “No no, … nothing like that”, … he says.
Seems, … he saw the young grizz, … figures to give 'im a scare so’s he’ll keep away from camp. Fires off a bear bang towards the critter. Problem is, … he was too close, … flare sail out OVER the shoulder of the bear and explodes about 5 ft BEHIND the bear. The bear is scared ***tless and charges straight down the road, … RUNNING OVER Eddy in the process (thus the busted collar bone and bruises).
We never really found out if the story was true or not, … but we DID have a good laugh while we drove him down to the aid station for x-rays 
p.s. … Roger, … I would much rather deal with Grizzlies 'n cougars than SNAKES and other reptiles. imho,. … Big mammals are just more “predictable”. 
… so just proves again, … there are “water” people and there are “mountain” people.
Christopher Chin, Jonquiere Quebec
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[This message has been edited by fcch (edited 27 July 2005).]
[This message has been edited by fcch (edited 27 July 2005).]