FRANK LESLIE'S ILLUSTRATED, New York, March 5, 1870  The front page has a print of: "The Post Office at Promontory Point, on the Line of the Pacific Railroad" which is nothing more than a tent.
Other prints within include: "The Eagle's Nest, Red Butte Station..." and "In the Sierra Nevada, on the Line of the Pacific Railroad" and "Monument Rock, Echo Canon, 1000 Miles West of Omaha" among others.
Sixteen pages, nice condition.