页面
第 11 页CC0 1.0（公有领域）
Zebulon Pike saw herds that “exceeded imagination” in 1806. By the 1850s Plains nations saw fewer bison than ever. An NPS article traces the climate, horses, peace and robe trade behind that.
第 17 页CC0 1.0（公有领域）
A cyclist who bikepacked the Pony Express National Historic Trail explains why to ride it, what to expect and what each stretch from Missouri to California is like.
第 20 页CC0 1.0（公有领域）
The Caldor Fire burned 221,835 acres in California, including about 20 miles of the Pony Express National Historic Trail and five bridges used by hikers and the annual re-ride.
第 22 页CC0 1.0（公有领域）
Melville Baughn rode for the Pony Express between Thirty-Two-Mile Station and Fort Kearny. Unpaid when the firm failed, he turned to crime, killed a man in Seneca, Kansas, and was hanged in 1868.
