Extent of available data.
This data layer depicts areas that have either public ownership or management. It was developed by the United States Geological Survey as part of the Protected Areas Database of the United States. It indicates areas that are owned or managed by local, state, or federal government units or by non-government organizations. These lands are managed for various goals that include, but are not limited to conservation, recreation, and resource production and extraction. Access to these lands and the regulations governing them vary widely.