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Cet album fait partie des albums
Cet album photos contient les sous-albums suivants :
Charles W. Sternberg working on sandstone slab containing fossil - NARA - 286028.jpg - US National Archives bot
Sand blasting the lining of a tunnel - NARA - 286030.jpg - US National Archives bot
Summit observation point on north promontory of Scotts Bluff - NARA - 286031.jpg - US National Archives bot
Gunniting operations on Tunnel ^1 - NARA - 286032.jpg - US National Archives bot
1939 - North Platte, Nebraska (2701066659).jpg - Kingofthedead
Shelterbelts- Windbreaks - Nebraska - DPLA - 7386269e798b66547766ab5b41a81bac.jpg - DPLA bot