On May 10, 1869, the final spike in North America''s first transcontinental railroad was driven home at Promontory Summit, Utah. Illustrated with the author''s carefully researched, evocative paintings, here is a great adventure story in the history of the American West--the day Charles Crocker staked $10,000 on the crews'' ability to lay a world record ten miles of track in a single, Ten Mile Day.