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Passes - Trip Instructions Governing Requests for, 1911-1958
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Passes - Trip Requests, 1929-1963
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents - general, 1908-1962
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and Applications for - Map - "Panoramic Perspective of the Area Adjacent to Boulder Dam . . .", 1931-1934
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents - Applications for Improvements in Printing Telegraphs, 1937-1940
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents - Applications for - Bolt Safety Device, 1926
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents - Applications for - Car Stop, 1926
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyrights - infridgements, 1910-1957
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Locomotive Oil Burners, 1910-1912
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Brake Shoe, 1909
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
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