Sources
http://www.deseretnews.com/article/700244872/Mormon-Trail-facts.html?pg=all
http://www.nps.gov/mopi/learn/historyculture/history2.htm
http://www.nps.gov/mopi/learn/historyculture/history1.htm
http://cdrh.unl.edu/diggingin/trailsummaries/di.sum.0006.html
http://www.cccarto.com/mormontrail/
http://www.nps.gov/mopi/learn/historyculture/index.htm
http://www.nps.gov/mopi/index.htm
http://www.nps.gov/mopi/learn/historyculture/history2.htm
http://www.nps.gov/mopi/learn/historyculture/history1.htm
http://cdrh.unl.edu/diggingin/trailsummaries/di.sum.0006.html
http://www.cccarto.com/mormontrail/
http://www.nps.gov/mopi/learn/historyculture/index.htm
http://www.nps.gov/mopi/index.htm