波特兰森林公园
参考资料

1 2 3 4 5 6  . Portland Parks & Recreation Department, City of Portland. 2008  [2014-04-02]. （原始内容存档于2013-12-12）.
↑  . Geographic Names Information System. U.S. Department of the Interior. 1980-11-28  [2014-04-02].
1 2 3 4 5 6 7 8 9 10 11  Houle, Marcy Cottrell.  second edition. Portland: Oregon Historical Society Press. 1996. ISBN 0-87595-284-4.  引文格式1维护：冗余文本 (link), This elevation is approximate and describes the entire ridge top, not a specific point.
1 2  Thayer, James D. . Portland: Timber Press. 2008: 92. ISBN 978-0-88192-857-0.  The author lists the highest and lowest elevations for each hike described in his book. The lowest of the lows occurs at the trailhead for the Fire Lane 1 Loop Hike, which starts near the intersection of U.S. Route 30 and Northwest Yeon Street.
1 2   (PDF). The Trust for Public Land. 2008  [2011-06-14]. （原始内容 (PDF)存档于2011-06-14）. . The Trust for Public Land (TPL) lists the size of the park as 4,317 acres (1,747 ha), which is close to its original size of 1948. If the 5,157-acre (2,087 ha) size claimed by the Portland Parks & Recreation Department in 2009 were used in the TPL listing, Forest Park would rank 17th.
1 2  Bishop, Ellen Morris. . Portland, Oregon: Timber Press. 2003: 141–148. ISBN 978-0-88192-789-4.
↑  Knudsen, Matt; Pentilla, Jeanine; Petersen, Luke.  (PDF). Portland State University.   [2014-04-02]. （原始内容存档 (PDF)于2014-03-03）.  引文使用过时参数coauthors (帮助)
1 2 3 4 5 6 7 8   (地图) 2003. Friends of Forest Park. § Index Map, Stone House, City View, Wild-Leif, Heart of the Park, Old Growth, Avenue of Trees, Maple, Big Stump, Hole in the Park. ISBN 978-1-135-13402-0.
1 2 3 4 5 6 7  Houck, Michael C.; Cody, M.J. . Portland: Oregon Historical Society Press. 2000. ISBN 0-87595-273-9.
1 2  . City of Portland. 2009  [2014-04-02]. （原始内容存档于2014-12-08）.
↑  . City of Portland. 2009  [2014-04-02]. （原始内容存档于2014-05-21）.
↑  . City of Portland. 2009  [2014-04-02]. （原始内容存档于2014-04-02）.
↑  . City of Portland. 2009  [2014-04-02]. （原始内容存档于2014-04-02）.
↑  . The Oregonian (Oregonian Publishing Co.). 2005-11-24: 20.
↑  . City of Portland. 2009  [2014-04-02]. （原始内容存档于2014-12-08）.
↑  . City of Portland. 2009  [2014-04-02]. （原始内容存档于2014-04-02）.
↑  Korn, Peter. . Portland Tribune (Pamplin Media Group). 2006-07-17  [2014-04-02]. （原始内容存档于2014-04-02）.
↑  Mayer, James. . The Oregonian (Oregonian Publishing Company). 1991-05-03.
1 2 3  . Metro (Oregon regional government). 2009  [2014-04-02]. （原始内容存档于2013-09-02）.
1 2   (PDF). 40 Mile Loop Land Trust. 2004  [2012-11-19]. （原始内容 (PDF)存档于2012-11-19）.
↑  . 40 Mile Loop Land Trust. 2004  [2013-06-02]. （原始内容存档于2013-06-02）.
↑  . Metro (Oregon regional government).   [2014-04-02]. （原始内容存档于2013-09-02）.
↑  . Metro (Oregon regional government).   [2014-04-02]. （原始内容存档于2013-10-22）.
↑  . Metro (Oregon regional government).   [2014-04-02]. （原始内容存档于2013-09-02）.
↑  Richard, Terry. . The Oregonian (Oregonian Publishing Co.). 1998-04-24: AE04.
↑  Thorson, T.D.; Bryce, S.A.; Lammers, D.A., et al..  (PDF). United States Geological Survey. 2003  [2014-04-02].  引文使用过时参数coauthors (帮助)[永久] Reverse side here [永久]
↑  Portland Parks and Recreation Department. . City of Portland. 2012  [2013-06-18]. （原始内容存档于2013-02-15）.
↑  Bureau of Environmental Services. . Willamette Subwatersheds: Balch. City of Portland. 2008  [2014-04-02]. （原始内容存档于2014-04-02）.
↑  . City of Portland.   [2014-04-02]. （原始内容存档于2013-12-23）.
↑  . Forest Park Conservancy.   [2013-06-18]. （原始内容存档于2013-05-26）.
1 2 3  Bureau of Environmental Services. . Willamette Subwatershed: Balch. City of Portland. 2008  [2014-04-02]. （原始内容存档于2014-04-02）.
↑  . Oregon Field Guide. 2010  [2013-06-18]. （原始内容存档于2015-07-15）.
↑  . Audubon Society of Portland.   [2014-04-02]. （原始内容存档于2013-12-17）.
↑  . Multnomah County. 2007-11-13  [2012-03-18]. （原始内容存档于2012-03-18）.
↑  . Forest Park Conservancy. 2010  [2013-06-18]. （原始内容存档于2013-05-26）.
↑  Bureau of Environmental Services. . City of Portland. 2008  [2014-04-02]. （原始内容存档于2014-04-02）.
1 2  Bureau of Environmental Services. . City of Portland. 2008  [2014-04-02]. （原始内容存档于2014-04-02）.
↑  Bureau of Environmental Services. . City of Portland. 2008  [2014-04-02]. （原始内容存档于2014-04-02）.
↑  Bureau of Environmental Services. . City of Portland. 2008  [2014-04-02]. （原始内容存档于2014-04-02）.
↑  . The Oregonian (Oregonian Publishing Co.). 2001-02-23: A01.
↑  Franzen, Robin. . The Oregonian (Oregonian Publishing Co.). 2003-04-24: B02.
↑  Anthony, Roger. . The Oregonian (Oregonian Publishing Co.). 1999-05-14: B09.
↑  Boule, Margie. . The Oregonian (Oregonian Publishing Co.). 1993-07-27: B01.
↑  Green, Aimee. . The Oregonian (Oregonian Publishing Co.). 2007-10-04: D03.
↑  Menefee, Tonya. . The Oregonian (Oregonian Publishing Co.). 1992-07-29: B02.
↑  Har, Janie. . The Oregonian. 2010-02-24.
↑  Bernstein, Maxine. . The Oregonian (Oregonian Publishing Co.). 2004-05-20: A01.
↑  Bettencourt, Donna. . Library Journal. 2008-11-15  [2009-03-24]. （原始内容存档于2008-12-21）.
↑  Keil, Bill. . The Sunday Oregonian (Oregonian Publishing Company). 1961-09-03: 20.
↑  Leeson, Fred. . The Oregonian (Oregonian Publishing Company). 2005-11-24: 16.
↑  . Portland Parks & Recreation. 2011  [2014-04-02]. （原始内容存档于2013-08-26）.
↑  Griffin, Anna. . The Oregonian (Oregon Live, LLC). 2011-03-17  [2014-04-02]. （原始内容存档于2012-10-13）.
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