add man_made=bridge at oracle

experimentally tag man_made=bridge at bridge over the river at Stone

fix up location of school

remove errant tendrils of Thatcher, too

deal with safford boundary which is super wacky. These long strands are not part of the city, but I can't tell for sure if the landfill, park, and airport actually are or not. In any case, for now I've removed the definitely erroneous tendrils.

turn schools into areas

trace what I think is a hotel in safford/thatcher

improve roads slightly

random track tracing

trace various bits around Harshaw, most notably the cemetery

fix up some roads/surface designations

assorted tracing of buildings/parking aisles

adjust ft lowell park boundary to fence

improve a bunch of parking aisle tracing

some tracing

fix up this cloud nine drive community

fix some chdr names

bicycles are allowed on this section; just not further.

align

mark tucson/3rd signals