Keywords: The old Z, or a portion of the track at the head of Echo before the completion of the tunnel. Summit County, Utah. - NARA - 517348.jpg Scope and content General notes 517348 Local identifier 57-HS-799 Department of the Interior General Land Office U S Geological and Geographic Survey of the Territories 1874 - 06/30/1879 NARA-Author Jackson William Henry 1843-1942 Photographer 1116078 <br /> Still Picture Records Section Special Media Archives Services Division NWCS-S National Archives at College Park 8601 Adelphi Road College Park MD 20740-6001 1869 Record group Record Group 57 Records of the U S Geological Survey 1839 - 2008 Record group ARC 386 Hayden Survey William H Jackson Photographs compiled 1869 - 1878 Series ARC 516606 File unit File unit ARC Variant control numbers NAIL Control Number NWDNS-57-HS-799 Other versions <gallery> File The_old_Z _or_a_portion_of_the_track_at_the_head_of_Echo_before_the_completion_of_the_tunnel _Summit_County _Utah _-_NARA_-_517348 tif tif File The_old_Z _or_a_portion_of_the_track_at_the_head_of_Echo_before_the_completion_of_the_tunnel _Summit_County _Utah _-_NARA_-_517348 jpg jpg </gallery> NARA-cooperation PD-USGov 1869 in Utah Union Pacific Railroad Stereo cards of Utah Black and white photographs of Utah NARA images of Utah Rail transport in Utah Summit County Utah |