The bridge sounds like either The Shotover Canyon (road is so rough your car insurance is negated if you drive on it and have an accident) or the Kawarau River Gorge the home of the original bungy jump. both about 2 hours drive from my home.
Check this site for Hal Halls Annotated bibliography of LL. Les Isn't making a smoking section in a restaurant like making a peeing section in a swimming pool?
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Les The English Language is weird. It can be understood through tough thorough thought though.