CP-NS transcon a craps table roll
Few obstacles bedevil railroads as has the Mississippi River. Spanning it was the nation’s first rail bridge in 1856—promptly assaulted by steamboat Effie Afton. While the bridge was repaired and more constructed, the river remains a problematic divide, separating, with few exceptions, eastern railroads from those operating in the West and producing grueling interchange bottlenecks at Chicago.