Keywords: Sand-blasting a massive portal on Tunnel ^2 - NARA - 286035.jpg Scope and content General notes 286035 Local identifier Department of the Interior National Park Service Scotts Bluffs National Monument 1934 - NARA's Central Plains Region Kansas City NREA 400 West Pershing Road Kansas City MO 64108 08/1939 Record group Record Group 79 Records of the National Park Service 1785 - 2006 Record group ARC 408 Photographs compiled 1933 - 1969 Series ARC 286021 File unit File unit ARC Variant control numbers NAIL Control Number NRE-79-PS SB PHO -119 Other versions <gallery> File Sand-blasting_a_massive_portal_on_Tunnel_ 2_-_NARA_-_286035 tif tif File Sand-blasting_a_massive_portal_on_Tunnel_ 2_-_NARA_-_286035 jpg jpg </gallery> NARA-cooperation PD-USGov Scotts Bluff National Monument |