improved sidewalk alignment and added new ones
improved geometry of Welch field and retagged as recreation grounds
misc improvements around Lemont
improved alignment near Rock Road
aligned roads and added paths near Mt. Nittany
converted running track into multipolygon
removed nonexistent running track and duplicate nodes
converted running track into multipolygon
converted running track into multipolygon
converted running track into multipolygon
added and correct road names in Centre County
edits to roads to wind turbines
added and correct road names in Centre County
aligned roads and continued Licking Creek upstream
aligned roads and added stream
removed trivial name from road
retagged small sections of US 22 as trunk to match remainder
aligned paths and sidewalks; other misc edits