Maia ArmaleoArchiválva2011. január 22-i dátummal a Wayback Machine-ben "Grand Junction: Where Two Lines Raced to Drive the Last Spike in Transcontinental Track," American Heritage, June/July 2006. (angolul)
Maia ArmaleoArchiválva2011. január 22-i dátummal a Wayback Machine-ben "Grand Junction: Where Two Lines Raced to Drive the Last Spike in Transcontinental Track," American Heritage, June/July 2006. (angolul)