"Olympic National Park Statistics." National Park Service. 28 Feb. 2013. Web. 27 Nov. 2013. <http://www.nature.nps.gov/water/HIS/parkreport.cfm>.
"Washington Facts." National Geographic. Web. 27 Nov. 2013. <http://travel.nationalgeographic.com/travel/united-states/washington-facts/>.
"The Park Ranger and the Museum Curator." Library of Economics and Liberty. 21 Nov. 2010. Web. 27 Nov. 2013. <http://econlog.econlib.org/archives/2010/11/the_park_ranger.html>.
"公共電視台 新聞網." 公視新聞網. Web. 27 Nov. 2013. <http://news.pts.org.tw/detail.php?NEENO=251653>.
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¨ä¹¦. Web. 27 Nov. 2013. <http://zh.wikipedia.org/wiki/奧林匹克國家公園>.
Dale, Cameron, and Sam Greenberg. "Human Impact - Hoh Rainforest." Hoh Rainforest. Web. 27 Nov. 2013. <http://hohrainforest.weebly.com/human-impact.html>.
Maynes, Barb. "Visitors Cautioned to Keep at Least 100 Feet Away From Hoh Rain Forest Elk and Other Park Wildlife." National Parks Service. National Parks Service, June-July 2010. Web. 27 Nov. 2013. <http://www.nps.gov/olym/visitors-cautioned-to-keep-at-least-100-feet-away-from-hoh-rain-forest-elk-and-other-park-wildlife.htm>.
"Hohrainforest - Human Impact." Hohrainforest - Human Impact. Web. 27 Nov. 2013. <http://hohrainforest.wikispaces.com/Human Impact>.
"Inforain Map Archive: Status of the Coastal Temperate Rain Forest, 1995." Inforain Map Archive: Status of the Coastal Temperate Rain Forest, 1995. Pacific GIS, 1 Jan. 1995. Web. 27 Nov. 2013. <http://www.inforain.org/maparchive/mAdtl.php?mbID=401>.
"Inforain Map Archive: Coastal Temperate Rain Forest, Original Distribution." Inforain Map Archive: Coastal Temperate Rain Forest, Original Distribution. Pacific GIS, 1 Jan. 1995. Web. 27 Nov. 2013. <http://www.inforain.org/maparchive/mAdtl.php?mbID=400>.
"Olympic National Park 3-minute Tour." YouTube. YouTube, 30 Apr. 2013. Web. 27 Nov. 2013. <http://www.youtube.com/watch?v=aQa62nVQQyc>.
"Visiting the Hoh Rain Forest." National Park Service. 22 Nov. 2013. Web. 27 Nov. 2013. <http://www.nps.gov/olym/planyourvisit/visiting-the-hoh.htm>.
McKee, Arthur, George LaRoi,, and Jerry F. Franklin. Structure, Composition, and Reproductive Behavior of Terrace Forests, South Fork Hoh River, Olympic National Park. Tech. Print.
Fonda, R. W. "Forest Succession in Relation to River Terrace Development in Olympic National Park, Washington." Ecology 5th ser. 55 (1974). JSTOR. Web. 27 Nov. 2013. <http://www.jstor.org/discover/10.2307/1940346?uid=2&uid=4&sid=21103002432167>.
"Places." National Parks Service. National Parks Service, 22 Nov. 2013. Web. 27 Nov. 2013. <http://www.nps.gov/olym/historyculture/places.htm>.
Hamilton, John. Olympic National Park. Edina, MN: ABDO Pub., 2009. Print.
"Park History." Olympic National Park & Forest History. 2013. Web. 27 Nov. 2013. <http://www.olympicnationalparks.com/olympic-peninsula-history.aspx>.
Evergreen Escapes. Evergreen Escapes. Web. 27 Nov. 2013. <http://evergreenescapes.com//wp-content/uploads/2012/06/Olympic-Pen_Beach-1.jpg>.
Evergreen Escapes. Evergreen Escapes. Web. 27 Nov. 2013. <http://evergreenescapes.com//wp-content/uploads/2012/06/Olympic-Pen_HohRain-1.jpg>.
Explore Olympics. Explore Olympics. Web. 27 Nov. 2013. <http://exploreolympics.com/reports/wp-content/uploads/2011/10/dtop1.jpg>.
12most. 12most. Web. 27 Nov. 2013. <http://12most.com/wp-content/uploads/2012/01/rain-forest.jpg>.
Blogspot. Blogspot. Web. 27 Nov. 2013. <https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJZ_5Uu6bqAsCTYTQp7fw9ak_vEWGkKbMysNvNnUFU3DDm67rQdEdQ167Gbio9Y-MATAazD4pMOmmN5WStGgyIPj0mw4yfEA5GpTHmWswkn5Zw3RSQbvPqu00cDMMGACXyi4E2mhzY2XQ/s1600/P8050527.jpg>.
Wikipedia. Wikipedia. Web. 27 Nov. 2013. <http://upload.wikimedia.org/wikipedia/commons/d/de/Elwha_River_-_Humes_Ranch_Area2.JPG>.
USDA. USDA. Web. 27 Nov. 2013. <http://www.fs.usda.gov/wps/PA_WIDConsumption/simplegetfile?dDocName=STELPRDB5375741&url=/Internet/FSE_MEDIA/stelprdb5375741.p.jpg>.
USDA. USDA. Web. 27 Nov. 2013. <http://www.fs.usda.gov/wps/PA_WIDConsumption/simplegetfile?dDocName=STELPRDB5375701&url=/Internet/FSE_MEDIA/stelprdb5375701.p.jpg>.
USDA. USDA. Web. 27 Nov. 2013. <http://www.fs.usda.gov/wps/PA_WIDConsumption/simplegetfile?dDocName=STELPRDB5375686&url=/Internet/FSE_MEDIA/stelprdb5375686.p.jpg>.
USDA. USDA. Web. 27 Nov. 2013. <http://www.fs.usda.gov/wps/PA_WIDConsumption/simplegetfile?dDocName=STELPRDB5375716&url=/Internet/FSE_MEDIA/stelprdb5375716.p.jpg>.
Flickr. Flickr. Web. 27 Nov. 2013. <http://farm1.staticflickr.com/182/441566931_1e78cf5997_o.jpg>.
National Park Service. National Park Service. Web. 27 Nov. 2013. <http://www.nps.gov/olym/planyourvisit/upload/OLYMmap2012-1600x1100.jpg>.
"USA_Washington_relief_location_map." Wikipedia. Wikipedia. Web. 27 Nov. 2013. <http://upload.wikimedia.org/wikipedia/commons/3/36/USA_Washington_relief_location_map.jpg>.