REFERENCES

1.      "Yellowstone Fact Sheet." National Parks Service. National Parks Service, 16 Nov. 2012. Web. 23 Nov. 2012. <http://www.nps.gov/yell/planyourvisit/factsheet.htm>.

2.      "The Greater Yellowstone Ecosystem." Yellowstone Eco-Alition. N.p., 2009. Web. 03 Dec. 2012. <http://teasterling.net/ecosystems.html>.

3.      "Yellowstone National Park History." Yellowstone National Park History. Web. 23 Nov. 2012. <http://www.nationalparktravel.com/yellowstone_history.htm>.

4.      "Greater Yellowstone Ecosystem." Yellowstone Resources and Issues Handbook, 2012. Web. 23 Nov. 2012. <http://www.nps.gov/yell/planyourvisit/upload/4_Ecosystem.pdf>.

5.      "Temperate Zone Ecosystem." Eionet GEMETA Thesaurus. Web. 23 Nov. 2012. <http://www.eionet.europa.eu/gemet/concept?ns=1&cp=8360>.

6.      "Yellowstone National Parks Year Of Fire." Yellowstone's Year Of Fire--1988. Web. 23 Nov. 2012. <http://www.yellowstone-bearman.com/yfire.html>.

7.      "Old Faithful Geyser, Yellowstone National Park." AllTrips. Web. 23 Nov. 2012. <http://www.yellowstoneparknet.com/old_faithful/old_faithful_faqs.php>.

8.      Turner, Monica G., “Effects of fire on landscape heterogeneity in Yellowstone National Park, Wyoming” Journal of Vegetation Science 5 (1994): 731-742

9.      Despain, D., Rodman, A., Schullery, P. & Shovic, H. 1989.Burned area survey of Yellowstone National Park: the fires of 1988. Unpublished report, Division of Research and Geographic Information Systems Laboratory, YellowstoneNational Park, WY.

10.  "Yellowstone National Park -- The Total Yellowstone Fire Page." Yellowstone National Park -- The Total Yellowstone Fire Page. 2003. Web. 24 Nov. 2012. <http://www.yellowstone-natl-park.com/fire.htm>.

11.  "Yellowstone National Park." Preserving the Park. APN Media, LLC, 2012. Web. 24 Nov. 2012. <http://www.ohranger.com/yellowstone/preserving-park>.

12.   "Shuttle System." National Parks Service. National Parks Service, 27 Nov. 2012. Web. 24 Nov. 2012. <http://www.nps.gov/zion/planyourvisit/shuttle-system.htm>.

13.  "Transportation in the Park." National Park Service. N.p., 16 Nov. 2012. Web. 27 Nov. 2012. <http://www.nps.gov/yell/planyourvisit/transpinpark.htm>.

14.  "National Park System Timeline." History E-Library. National Park Service, n.d. Web. 2 Dec. 2012. <http://www.nps.gov/history/history/hisnps/NPSHistory/timeline_annotated.htm>.