Building Footprint lines exported from the CIty's GIS. See summary description (txt) file for information about intended use, projection, currency, attributes, etc.This map data layer represents the building footprint line work for the City of Bloomington, Indiana. It was created and updated from aerial photography. Updates are made for significant structures as needed from digitized development plan approvals until the next aerial flyover. It contains building structures including mobile homes, garages, canopies, tanks and silos and known underground building features.