30 Rockefeller Plaza consists of three main segments: the 66-story-tall tower rising from the eastern part of the base; a windowless segment in the middle of the base; and a shorter 20-story tower on the western part of the base. Some sources give 30 Rockefeller Plaza's height as 70 stories, but this arises from a hyperbolic press release by Merle Crowell, the complex's publicist during construction. Granite covers the building base to a height of , while the tower has a refined facade of Indiana Limestone with aluminum spandrel panels.