Mount Hood is the fourth highest point in the Cascades.
The Seven Iron Men , also known as Merritt Brothers , were iron-ore pioneers in the Mesabi Range and the creation of what is now known as Mountain Iron .. Mesabi Range. Mesabi Range. Mountain Iron. Mountain Iron. In the late 1800s , the Merritt family founded the largest iron mine in the world and initiated the consolidation of the American railway system into what would ultimately become the United States Steel Corporation .. United States Steel Corporation. United States Steel Corporation. Their story was told , in part , by the book Seven Iron Men by Paul de Kruif .. Paul de Kruif. Paul de Kruif. The book was first published in 1929 .. The brothers , actually five brothers and two nephews , charted the Mesabi Range and recorded the areas that demonstrated the highest potential for iron after they recognized what they had found .. Mesabi Range. Mesabi Range. Due to the lack of railroads in the region , they were initially unable to transport the ore , but their discovery catalyzed the growth of railroads in the region .. railroads in the region. Duluth, Missabe and Iron Range Railway. The railroad became the center of conflict between the Merritt Brothers and J.D. Rockefeller , to whom they were eventually forced to sell their stake in Mountain Iron in 1893 .. Mountain Iron. Mountain Iron. J.D. Rockefeller. J.D. Rockefeller