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| | Oregon Trail, California trail, Mormon trail and Pony Express trail historical museum (Site not responding. Last check: 2007-10-17) |
 | | The Oregon Trail was the only practical way for early pioneers to get across the mountains into the Western United States and what is now Washington, Oregon, California, Nevada, Idaho and Utah. |
 | | California Trail history provides a fascinating perspective on the massive migration to and through the states of Missouri, Kansas, Nebraska, Colorado, Wyoming, Idaho, Utah, Nevada, Oregon, and California. |
 | | Much of the original trail no longer exists and the actual route and length is open to debate by historians. |
| www.casperwyoming.info /trails_center.html (587 words) |
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