这张海报纸出在爱荷华与内布拉斯加有许多便宜的土地要出售

出处: "Millions of Acres. Iowa and Nebraska. Land for Sale on 10 years Credit by the Burlington & Missouri River R. R. Co. at 6 per ct Interest and Low Prices . . . " Burlington & Missouri River Railroad Co., 1872. An American Time Capsule: Three Centuries of Broadsides and Other Printed Ephemera, American Memory collections, Library of Congress.