LapDog,
I don't know how long her ears will stand before they flop. I only see them for about 5 minutes at the Vet's office when they get re-posted.
I saw about 10 or 12 people when we were out yesterday (Monday). It didn't seem like there were many people for a holiday weekend. Mensa loves everybody. If she sees someone, she runs right up to them and introduces herself.
I'll bet you can find some places near you to run Duchess. Go to a bike shop and find out where the Mountain Bikers ride. They know where all the trails and dirt roads are.
Look up the Sierra Club. Your local chapter will have tons of information on good places to go.