First Across the Continent

Jefferson's mind, and which was followed up with incredible hardships by the Lewis and Clark expedition, has since been traversed by two railroads, built after the first transcontinental rails were laid. If Jefferson had desired to find the shortest and most feasible route across the continent, he would have pointed to the South Pass and Utah basin trails. But these would have led the explorers into California, then and long afterwards a Spanish possession. The entire line finally traced ov...