Downtown sprint map - early July update

I've put in a few hours of fieldchecking on the downtown map over the last couple of weeks. Here's the current version of the map. If you've been following my progress, you might notice the changes - mostly the yellow blocks on the south edge of the map and the area around GSP and Corbin Halls.We used the map for the first time a couple of weeks ago. We had a little sprint race on the north