article: Oregon Trail
links: West Coast of the United States River Independence, Missouri Cattle Smallpox 19th century Cholera East Coast of the United States Willamette Valley Rail transport Cemetery Illinois Kansas City, Missouri Idaho Food poisoning Pneumonia Gunshot Measles Dysentery Native American United States Transcontinental Railroad Wyoming Nebraska Emigration Kansas Hypothermia Mile Minnesota Migration Iowa Missouri History of the United States Oregon Bison Colorado Zombie