(West - Railroads) Union Pacific System, Poole Bros., c. 1922 Here the backbone system across the West the worked through Kansas and Nebraska, across Wyoming and up into Washington, Oregon and down throughout California. Dense with notations for towns and whistle-stops, with the major towns and connecting lines shown. Condition is very good with some mild toning to the folds. Image size is approximately 8.5 x 15.5 (inches)