25931 records — Page 328 of 2594
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Dates:
1929
Level:
file
Collection ID:
NMAH.AC.0955
Repository:
Archives Center, National Museum of American History
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Dates:
1931
Level:
file
Collection ID:
NMAH.AC.0955
Repository:
Archives Center, National Museum of American History
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Dates:
1924 - 1924
undated
Level:
series
Collection ID:
NMAH.AC.0976
Repository:
Archives Center, National Museum of American History

This series consists of film negatives depicting images of bridges and construction of bridges. The series is arranged alphabetically by bridge name.

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Level:
file
Collection ID:
NMAH.AC.0976
Repository:
Archives Center, National Museum of American History
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Dates:
1915 - 1986
Level:
series
Collection ID:
NMAH.AC.0976
Repository:
Archives Center, National Museum of American History

This series consists of biographical materials for Ralph Modjeski and Frank Masters and historical background information about Modjeski and Masters, Inc.

25931 records — Page 328 of 2594