Ireland's waters provide diving sites of various qualities and standards to encompass all individual requirements.
Initially, the site encompassed 500 hectares, covering 150 construction projects, which spanned the years from 1730 to 1916.
The site encompasses all land above the 2200 m contour surrounding the main crater.
To complicate matters, this site may encompass part of a venerable Jewish burial ground.
These sites actually encompass 12 square miles with hundreds of structures both above and below the ground where sensitive materials could be hidden.
The site encompasses 1,670 acres and is a wintering ground and breeding area for Canada geese.
The sites display no evidence of human dwelling, and rarely encompass graves.
In 1965 Congress enlarged the site to encompass 2,176 acres and be administered by the National Park Service.
The site encompasses 14 hectares, and is situated in the south-western corner of a small plateau.
The site also encompasses office space, hotels and apartments.