[20191203]IF11281_国家公园管理局附属区域：概述.pdf

https:/crsreports.congress.gov Updated December 3, 2019National Park Service Affiliated Areas: An OverviewIn addition to managing the 419 units of the National Park System, the National Park Service (NPS) manages or assists other areas that are linked in importance and purpose to the larger system. These related areas may be recognized by Congress and may receive assistance from NPS but are typically owned and administered primarily by nonfederal entities. Among these related areas are 25 sites that NPS has classified under the title of affiliated areas. NPS defines affiliated areas as locations that “preserve significant properties outside the National Park System . and that draw on technical or financial aid from the National Park Service” (National Parks: Index 2012-2016, p. 118). History of Affiliated Status The standard by which NPS defines and categorizes “affiliated areas” has evolved and changed over the years. At times, Congress has attempted to clarify which areas fall within this status. In 1970, Congress passed legislation that defined units of the National Park System as “any area of land and water now or hereafter administered by the Secretary of the Interior through