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Here is a list of all units in the United States National Forest system, which includes all United States National Grasslands and the Valles Caldera National Preserve. Also included is one National Forest in Puerto Rico. Statistics are as of 30 September 2008.〔(USFS Table 6 - Acreage by State, Congressional District and County, 30 September 2008 )〕 Named National Forests are listed as separate entities, even though many of them in recent years have been combined administratively to one degree or another. These combined entities are noted in parentheses. According to the most recent annual report, the total area under management of the Forest Service is 191,268,196 acres (298,856.56 sq mi., or 774,034.93 km²) under the categories of National Forest, National Grassland, or National Preserve. (There are other minor categories, primarily that of Purchase Units, which are not included here.) *Note: The last entry on this list, the Choctawhatchee National Forest, is in reality much larger than the 743 acres listed, but more on the order of . It is because the listed acreage is only that part of the forest that is under the management of the Forest Service. The vast majority of this forest is, uniquely, under the management of the United States Air Force, as part of the neighboring Eglin Air Force Base. ==See also== *List of U.S. National Forests *List of former U.S. National Forests *United States National Grassland *Lists of state forests: 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of largest United States National Forests」の詳細全文を読む スポンサード リンク
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