This feature class/shapefile contains locations of convention centers, conference centers, exposition centers, and fairgrounds for the 50 US States, the District of Columbia, and the territory of Puerto Rico. The dataset only includes convention, conference, exposition, and fairground facilities based on data acquired from various open sources which has been referenced in the SOURCE field. This feature class/shapefile contains only facilities large enough to house a convention, trade show, or fair. In the latest update 3,500 records were added and 4 records were deleted. The layer name was changed from "ConventionCenters" to "ConventionCentersFairgrounds". The TYPE field has been changed from a domain of ‘COMPLEX’ and ‘NOT COMPLEX’ to ‘CONVENTION CENTER’, ‘CONVENTION CENTER COMPLEX’, ‘FAIRGROUND’, ‘FAIRGROUND COMPLEX’, ‘MULTIUSE’, and ‘MULTIUSE COMPLEX’.