In this map, Uncle Sam stands atop a platform shining his searchlight onto the Kansas City, Pittsburg, and Gulf Railroad referred to in shorthand here as "The Port Arthur Route." A didactic in the lower right hand corner explains that while Uncle Sam was looking for the Schomburgk Line like in Venezuela, he discovered the (literal) fruits of his own domain, namely the "The Promised Land" region of North America between the blizzards of the north and the swampy heat of the south.