Default map of the GAP PAD-US Viewer

Initial view of the map interface when a user goes to the Protected Areas Database of the U.S. version 1.4 viewer.

The Protected Areas Database of the United States (PAD-US) is the official inventory of protected open space in the United States. With over 3 billion acres in thousands of holdings, the spatial data in PAD-US include public lands, overlapping management designations, and Marine Protected Areas held in trust by national, state, some local governments, and by some nonprofit conservation organizations.